Thinking is the hardest work there is, which is probably the reason why so few engage in it.  

Insomnia works like slow poison on our body.

There is no substitute for hard work.

As we advance in life we learn the limits of our abilities.  

Of course, when I say that human nature is gentleness, it is not 100 percent so. Every human being has that nature, but there are many people acting against their nature, being false.

If you can dream it, you can do it.

I do not think much of a man who is not wiser today than he was yesterday.

Non-violence requires a double faith, faith in God and also faith in man.

There is no principle worth the name if it is not wholly good.

I have no use for people who throw their weight around as celebrities, or for those who fawn over you just because you are famous.

Just as a candle cannot burn without fire, men cannot live without a spiritual life.

In the future society, i.e. the communist society that we want to build, we are not going to establish charity institution, as there shall be no needy or poor, and no alms-giving and alms-taking.