This only is certain, that there is nothing certain.

Why do we believe that in all matters the odd numbers are more powerful?

How many things... are looked upon as quite impossible until they have been actually effected?

Chance is a second master.

A dear bargain is always disagreeable, particularly as it is a reflection upon the buyer's judgment.

A god cannot procure death for himself, even if he wished it, which, so numerous are the evils of life, has been granted to man as our chief good.

As in our lives so also in our studies, it is most becoming and most wise, so to temper gravity with cheerfulness, that the former may not imbue our minds with melancholy, nor the latter degenerate into licentiousness.