Nature makes nothing incomplete, and nothing in vain.

The best tragedies are conflicts between a hero and his destiny.

We are the sum of our actions, and therefore our habits make all the difference.

For we do not think that we know a thing until we are acquainted with its primary conditions or first principles, and have carried our analysis as far as its simplest elements.

For as the eyes of bats are to the blaze of day, so is the reason in our soul to the things which are by nature most evident of all.

Let us be well persuaded that everyone of us possesses happiness in proportion to his virtue and wisdom, and according as he acts in obedience to their suggestion.

Yellow-colored objects appear to be gold