Good culture is born of a good disposition; and since the cause is more to be praised than the effect, I will rather praise a good disposition without culture, than good culture without the disposition.

Those who fall in love with practice without science are like a sailor who enters a ship without a helm or a compass, and who never can be certain whither he is going.

The greatest geniuses sometimes accomplish more when they work less.

Being willing is not enough. We must do.

He who walks straight rarely falls.

Among the great things which are found among us the existence of Nothing is the greatest.

Wisdom is the daughter of experience