Nothing in life gives a man so much courage as the attainment or renewal of the conviction that other people regard him with favor; because it means that everyone joins to give him help and protection, which is an infinitely stronger bulwark against the ills of life than anything he can do himself.
Stick to the man who looks out of the window and tries to understand the world. Keep clear of the man who looks in at the window and tries to understand you.
The credit belongs to the man who is actually in the arena; whose face is marred with dust and sweat; who strives valiantly; who errs and may fall again and again, because there is no effort without error or shortcoming.
To study the meaning of man and of life — I am making significant progress here. I have faith in myself. Man is a mystery: if you spend your entire life trying to puzzle it out, then do not say that you have wasted your time. I occupy myself with this mystery, because I want to be a man.