Throughout the ages there have always been those who have been willing to go beyond the norms and reach for that unknown and distant star.

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.

I believe it is the conviction of the purest men, that the net amount of man and man does not much vary. Each is incomparably superior to his companion in some faculty. His want of skill in other directions, has added to his fitness for his own work.

Teach the children! It is painting in fresco.

If we live truly, we shall see truly. It is as easy for the strong man to be strong, as it is for the weak to be weak.

Converse with a mind that is grandly simple, and literature looks like word-catching.

Love, which is the essence of God, is not for levity, but for the total worth of man.