If it had not been for the English I should have been emperor of the East, but wherever there is water to float a ship we are sure to find them in our way.
No one can read the history of astronomy without perceiving that Copernicus, Newton, Laplace, are not new men, or a new kind of men, but that Thales, Anaximenes, Hipparchus, Empodocles, Aristorchus, Pythagorus, Oenipodes, had anticipated them.
The student is to read history actively and not passively; to esteem his own life the text, and books the commentary. Thus compelled, the muse of history will utter oracles as never to those who do not respect themselves.
The subject of history is the life of peoples and of humanity. To catch and pin down in words--that is, to describe directly the life, not only of humanity, but even of a single people, appears to be impossible.