A power above all human responsibility ought to be above all human attainment.

Next to acquiring good friends, the best acquisition is that of good books.

The greatest friend of truth is Time, her greatest enemy is Prejudice, and her constant companion is Humility.

The study of mathematics, like the Nile, begins in minuteness but ends in magnificence.

It has been well observed that we should treat futurity as an aged friend from whom we expect a rich legacy.

Genius, in one respect, is like gold; numbers of persons are constantly writing about both, who have neither.

Envy ought to have no place allowed it in the hearts of people; for the goods of this present world are so vile and low that they are beneath it; and those of the future world are so vast and exalted that they are above it.