"If I have seen further, it is by standing on the shoulders of Giants."
This quote by Sir Isaac Newton expresses a profound appreciation for building upon the work of others. He acknowledges that his achievements were not solely his own, but rather he stood "on the shoulders" of those who came before him, thereby gaining a broader perspective and reaching greater heights in knowledge and understanding. In essence, Newton's insight communicates the importance of learning from and building upon the ideas, discoveries, and innovations of others as a means to progress further in one's field.
"What we know is a drop, what we don't know is an ocean."
Isaac Newton's quote "What we know is a drop, what we don't know is an ocean" signifies that our current knowledge, no matter how extensive it may seem, is minuscule compared to the vastness of all there is to learn and discover in the universe. It serves as a humbling reminder that even the most brilliant minds are only scratching the surface of understanding reality. This quote encourages us to continue seeking, questioning, and learning, appreciating that our quest for knowledge will always be ongoing.
"Gravity explains the motions of the planets, but it cannot explain who set the planets in motion."
This quote suggests that while Newton's laws of gravity can accurately describe and predict the movements of celestial bodies such as planets, they do not address or solve the question of their initial creation or setter. In other words, Newton acknowledges that physics can explain how the universe functions, but it does not provide answers to philosophical questions about the origin of the universe. This is a profound reminder of the limitations of scientific understanding when it comes to the ultimate origins and mysteries of our cosmos.
"For every action, there is an equal and opposite reaction."
Isaac Newton's third law of motion, "For every action, there is an equal and opposite reaction," explains the reciprocal nature of forces in the physical world. It means that when an object exerts a force on another object, the second object will exert an equal but opposite force back onto the first one. This fundamental concept has far-reaching implications across various fields, including physics, engineering, and even everyday experiences, illustrating the delicate balance and interplay of forces in our universe.
"I can calculate the motion of heavenly bodies, but not the madness of people."
This quote signifies that despite being a great mathematician and physicist who could predict the movements of celestial bodies, Newton acknowledges his inability to comprehend human behavior, or the "madness" of people – meaning irrational actions, decisions, or motivations. It highlights the boundaries between understanding quantifiable and predictable phenomena (like physics) and the complexities of human nature that often defy logical prediction.
Why there is one body in our System qualified to give light and heat to all the rest, I know no reason but because the Author of the System thought it convenient; and why there is but one body of this kind, I know no reason, but because one was sufficient to warm and enlighten all the rest.
- Isaac Newton
Absolute space, in its own nature, without regard to anything external, remains always similar and immovable. Relative space is some movable dimension or measure of the absolute spaces, which our senses determine by its position to bodies, and which is vulgarly taken for immovable space.
- Isaac Newton
The same thing is to be understood of all bodies, revolved in any orbits. They all endeavour to recede from the centres of their orbits, and were it not for the opposition of a contrary force which restrains them to and detains them in their orbits, which I therefore call Centripetal, would fly off in right lines with a uniform motion.
- Isaac Newton
The same law takes place in a system, consisting of many bodies, as in one single body, with regard to their persevering in their state of motion or of rest. For the progressive motion, whether of one single body or of a whole system of bodies, is always to be estimated from the motion of the center of gravity.
- Isaac Newton
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