Change your opinions, keep to your principles; change your leaves, keep intact your roots.

I believe, sir, in all the progress. Air navigation is the result of the oceanic navigation: from water the human has to pass in the air. Everywhere where creation will be breathable to him, the human will penetrate into the creation. Our only limit is life.

Because one doesn't like the way things are is no reason to be unjust towards God.

Initiative is doing the right thing without being told.

There is will in the thought, there is none in the dream. The dream, which is completely spontaneous, takes and keeps, even in the gigantic and the ideal, the form of our mind. Nothing springs more directly and more sincerely from the very bottom of our souls than our unreflected and indefinite aspirations towards the splendours of destiny.

I'm not in the world to guard my own life, but to guard souls

The author creates a book and the people accept or not accept it. The creator of a book is an author and the creator of it`s fate are people.