The Commonwealth of Learning is not at this time without Master-Builders, whose mighty Designs, in advancing the Sciences, will leave lasting Monuments to the Admiration of Posterity; But every one must not hope to be a Boyle, or a Sydenham; and in an Age that produces such Masters, as the Great-Huygenius, and the incomparable Mr. Newton, with some other of that Strain; 'tis Ambition enough to be employed as an Under-Labourer in clearing Ground a little, and removing some of the Rubbish, that lies in the way to Knowledge.
John LockeThe rising unto place is laborious, and by pains men come to greater pains; and it is sometimes base, and by indignities men come to dignities.
John LockeMathematical proofs, like diamonds, are hard and clear, and will be touched with nothing but strict reasoning.
John LockeThis is that which I think great readers are apt to be mistaken in; those who have read of everything, are thought to understand everything too; but it is not always so. Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours. We are of the ruminating kind , and it is not enough to cram ourselves with a great load of collections:;; unless we chew them over again, they will not give us strength and nourishment.
John Locke