Our duty is to be useful, not according to our desires but according to our powers.

The test of every religious, political, or educational system is the man that it forms.

If nationality is consent, the state is compulsion.

Life is but a daily oscillation between revolt and submission.

Our dependence outweighs our independence, for we are independent only in our desire, while we are dependent on our health, on nature, on society, on everything in us and outside us.

Before giving advice we must have secured its acceptance, or, rather, have made it desired.

If man was what he ought to be, he would be adored by the animals.