A tear dries quickly when it is shed for troubles of others.

It is exercise alone that supports the spirits, and keeps the mind in vigor.

It is a common saying that many pecks of salt must be eaten before the duties of friendship can be discharged.

Mathematics is an obscure field, an abstruse science, complicated and exact; yet so many have attained perfection in it that we might conclude almost anyone who seriously applied himself would achieve a measure of success.

Philosophy is true mother of the arts [of science].

It is the character of a brave and resolute man not to be ruffled by adversity and not to desert his post.

Thou knowest how numerous this tribe is, how united and how powerful in the assemblies. I will plead in a low voice so that only the judges may hear, for instigators are not lacking to stir up the crowd against me, and against all the best citizens. To scorn, in the interest of the Republic, this multitude of Jews so often turbulent in the assemblies shows a singular strength of mind. The money is in the Treasury; they do not accuse us of theft; they seek to stir up hatreds.