Gratitude is a burden, and every burden is made to be shaken off

Gratitude is a burden, and every burden is made to be shaken off.

Skepticism is the first step on the road to philosophy.

Gaiety is a quality of ordinary men. Genius always presupposes some disorder in the machine.

Justice is the first virtue of those who command, and stops the complaints of those who obey

No man has received from nature the right to command his fellow human beings.