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Quotations by Isaac Newton
Isaac NewtonThe shoulders of giants - If I have seen further it is by standing on the shoulders of Giants.

Only like a boy playing on the sea-shore - I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.

Tact is making a point. . . - Tact is the knack of making a point without making an enemy.

Truth is found in simplicity - Truth is ever to be found in the simplicity, and not in the multiplicity and confusion of things.

To explain all nature is difficult - To explain all nature is too difficult a task for any one man or even for any one age. Tis much better to do a little with certainty & leave the rest for others that come after than to explain all things by conjecture without making sure of any thing.

Interaction of matter from a distance - It is inconceivable that inanimate brute matter should without the mediation of something else, which is not material, operate upon and affect other matter without mutual contact; as it must do, if gravitation, in the sense of Epicurus be essential or inherent n it. That gravity should be innate, inherent, and essential to matter, so that one body may act on another, at a distance, through a vacuum, without the mediation of anything else, by and through which their action and force may be conveyed from one to another, is, to me, so great an absurdity, that I believe no man who, in philosophical matters, has a competent faculty of thinking can ever fall into it.