There is nothing more dreadful than the habit of doubt. Doubt separates people. It is a poison that disintegrates friendships and breaks up pleasant relations. It is a thorn that irritates and hurts; it is a sword that kill.

Obstacles are things a person sees when he takes his eyes off his goal.

The most pathetic person in the world is someone who has sight but no vision.

Ordinary life does not interest me. I seek only the high moments.

Every person, all the events of your life are there because you have drawn them there. What you choose to do with them is up to you.

Man's reason is the candle of the Lord, but often it burns dim.

Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution.