During the first period of a man's life the greatest danger is not to take the risk.
We must all obey the great law of change. It is the most powerful law of nature.
The object of life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane.
Don't part with your illusions. When they are gone you may still exist, but you have ceased to live.
Life is tough, but it's tougher when you're stupid.
Whether I shall turn out to be the hero of my own life, or whether that station will be held by anybody else, these pages must show.
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac?
The worldly comforts are not for me. I am like a traveller, who takes rest under a tree in the shade and then goes on his way.
The historian looks backward. In the end he also believes backward.
love the life you live.live the life you love.
The secret of life is honesty and fair dealing. If you can fake that, you've got it made.
Close by the Rights of Man, at the least set beside them, are the Rights of the Spirit.
Life belongs to the living, and he who lives must be prepared for changes
The desire to fly is an idea handed down to us by our ancestors who... looked enviously on the birds soaring freely through space... on the infinite highway of the air
Shame is an ornament to the young; a disgrace to the old.
What would life be if we had no courage to attempt anything?
Today, more than ever before, life must be characterized by a sense of Universal responsibility, not only nation to nation and human to human, but also human to other forms of life.
The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil, no good, nothing but blind, pitiless indifference
Simplicity is the keynote of all true elegance.
Those who want to live, let them fight, and those who do not want to fight in this world of eternal struggle do not deserve to live.
There is nothing more frightful than ignorance in action.