It is always better to have no ideas than false ones; to believe nothing, than to believe what is wrong.
Tenderness and kindness are not signs of weakness and despair, but manifestations of strength and resolution.
Our prime purpose in this life is to help others. And if you can't help them, at least don't hurt them.
We need to learn to want what we have, not to have what we want, in order to get stable and steady happiness.
Anything that won't sell, I don't want to invent. Its sale is proof of utility, and utility is success.