There is a limit where the intellect fails and breaks down, and this limit is where the questions concerning God and freewill and immortality arise.

He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.

It is through good education that all the good in the world arises.

Ingratitude is the essence of vileness.

Honesty is better than any policy.

Enthusiasm is always connected with the senses, whatever be the object that excites it. The true strength of virtue is serenity of mind, combined with a deliberate and steadfast determination to execute her laws. That is the healthful condition of the moral life; on the other hand, enthusiasm, even when excited by representations of goodness, is a brilliant but feverish glow which leaves only exhaustion and languor behind.

Nature, when left to universal laws, tends to produce regularity out of chaos.