One of the first conditions of happiness is that the link between Man and Nature shall not be broken.

You can't imagine what a pleasure this complete laziness is to me: not a thought in my brain- you might send a ball rolling through it!

As often happens between men who have chosen different pursuits, each, while in argument justifying the other's activity, despised it in the depth of his heart.

How important the concept of God is, and how instead of valuing what has been given us, we with light hearts spurn it because of absurdities that have been attached to it.

There is nothing more harmful to you than improving only your material, animal side of life. There is nothing more beneficial, both for you and for others, than activity directed to the improvement of your soul.

'Thou shalt not kill' does not apply to murder of one's own kind only, but to all living beings and this commandment was inscribed in the human breast long before it was proclaimed from Sinai.

You see, if you take pains and learn in order to get a reward, the work will seem hard; but when you work... if you love your work, you will find your reward in that.