Lord Kelvin Quotes

Powerful Lord Kelvin for Daily Growth

About Lord Kelvin

Lord Kelvin, born William Thomson in Belfast, Ireland on June 26, 1824, was a prolific British physicist whose contributions to science were profound and wide-ranging. Known for his numerous inventions and groundbreaking theories, he is often referred to as the "father of electrical engineering." At age eleven, Thomson entered the University of Glasgow to study mathematics and natural philosophy under Professor James MacCullagh. His intellectual prowess led him to gain a position as professor of mathematics at the University of Glasgow at only 22 years old. In 1846, he was appointed commissioner of the Electric Telegraph Service for Ireland, where his work laid the foundation for future developments in telecommunications. In 1851, Thomson moved to London and started working with Michael Faraday at the Royal Institution. His collaboration with Faraday and other renowned scientists significantly influenced his work on electromagnetism. In 1867, he was knighted for his work in developing underwater telegraph cables, earning him the title Lord Kelvin. Lord Kelvin's major works include the discovery of the First (Joule) and Second Laws of Thermodynamics, the formulation of the Kelvin scale of absolute temperature, and the development of mathematical theories to explain electromagnetic induction and energy transmission. One of his most famous quotes, "If you want to have a good idea, go for a walk or take a bath," reflects his belief in the power of contemplation and unstructured thinking in scientific discovery. Lord Kelvin's influence on science was extensive, with his theories laying the groundwork for future developments in physics and engineering. He passed away on December 17, 1907, leaving behind a legacy that continues to impact the world today.

Interpretations of Popular Quotes

"If you cannot measure it, you cannot improve it."

This quote emphasizes the importance of quantification in the process of improvement. In essence, if a phenomenon or aspect can't be measured (quantified), then it becomes difficult to understand, track, and modify it effectively. By measuring something, we establish a benchmark for improvement, enabling us to set targets, monitor progress, and make informed adjustments as needed. This principle is applicable in various fields, from science and engineering to business and personal development, where continuous improvement often hinges on the ability to collect, analyze, and apply data.


"When you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot express it in numbers, your knowledge is of a meager and unsatisfactory kind."

This quote by Lord Kelvin highlights the importance of quantifiable data in our understanding of the world. He suggests that if we can assign numerical values to something, we have a deeper, more meaningful comprehension of it. Conversely, when information is not quantifiable, it remains incomplete and less satisfying. In essence, he emphasizes the power of numbers in illuminating and validating our knowledge.


"The future will be what it will be - undoubtedly truncated abbreviations of the past."

Lord Kelvin's quote suggests that our future is shaped significantly by our past experiences. It implies that as we move forward, we will encounter condensed or "truncated" versions of concepts, ideas, or events from our history. This statement underscores the idea that progress is built upon the foundation of what has come before, and that understanding our past can provide valuable insights into the direction and nature of future developments.


"I often say that when you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meager and unsatisfactory kind; it may be the beginning of knowledge, this I do not deny; but you have scarcely, in your thoughts, advanced to the stage of scientific bareness."

Lord Kelvin's quote emphasizes the importance of quantifiable data and numerical expression in understanding a subject matter thoroughly. He suggests that when we can measure and express knowledge numerically, it has greater depth and accuracy compared to vague or immeasurable concepts, which he refers to as being in an early stage of understanding. In essence, this quote highlights the value of empirical and scientific methodologies in acquiring comprehensive knowledge.


"Nothing in life is certain except death and taxes" (This quote is often attributed to Lord Kelvin, but it was actually first said by Benjamin Franklin)

This quote, originally by Benjamin Franklin but commonly associated with Lord Kelvin, emphasizes the inevitability of two universal truths: death and taxes. In essence, it underscores the certainties in life that we cannot escape or avoid; they are a part of our human experience. It serves as a reminder of the unpredictable nature of existence and encourages us to make the most out of the time we have.


Science is bound, by the everlasting vow of honour, to face fearlessly every problem which can be fairly presented to it.

- Lord Kelvin

Everlasting, Which, Honour, Vow

Heavier-than-air flying machines are impossible.

- Lord Kelvin

Flying, Impossible, Machines

In science there is only physics; all the rest is stamp collecting.

- Lord Kelvin

Science, Rest, Only, Physics

The more thoroughly I conduct scientific research, the more I believe that science excludes atheism.

- Lord Kelvin

More, Atheism, Thoroughly, Conduct

Large increases in cost with questionable increases in performance can be tolerated only in race horses and women.

- Lord Kelvin

Cost, Questionable, Increases

The atheistic idea is so nonsensical that I cannot put it into words.

- Lord Kelvin

Words, Idea, Cannot, Nonsensical

The true measure of a man is what he would do if he knew he would never be caught.

- Lord Kelvin

Measure, Never, Caught, True Measure

If you're searching for quotes on a different topic, feel free to browse our Topics page or explore a diverse collection of quotes from various Authors to find inspiration.