That which is common to the greatest number has the least care bestowed upon it. Every one thinks chiefly of his own, hardly at all of the common interest; and only when he is himself concerned as an individual. For besides other considerations, everybody is more inclined to neglect the duty which he expects another to fulfill.

Life in the true sense is perceiving or thinking.

Our account does not rob the mathematicians of their science... In point of fact they do not need the infinite and do not use it.

Love is the cause of unity in all things.

The vices respectively fall short of or exceed what is right in both passions and actions, while virtue both finds and chooses that which is intermediate.

The best way to avoid envy is to deserve the success you get.

Comedy has had no history, because it was not at first treated seriously.