In so far as the mind sees things in their eternal aspect, it participates in eternity.

Everything excellent is as difficult as it is rare.

I do not know how to teach philosophy without becoming a disturber of established religion.

In proportion as we endeavor to live according to the guidance of reason, shall we strive as much as possible to depend less on hope, to liberate ourselves from fear, to rule fortune, and to direct our actions by the sure counsels of reason.

The world would be happier if men had the same capacity to be silent that they have to speak.

The human mind cannot be absolutely destroyed along with the body, but something of it remains, which is eternal.

Statesman are suspected of plotting against mankind, rather than consulting their interests, and are esteemed more crafty than learned.