Wonder rather than doubt is the root of all knowledge.

Whoever is happy will make others happy too.

As knowledge increases, wonder deepens.

I can't change the direction of the wind, but I can adjust my sails to always reach my destination.

Someone's sitting in the shade today because someone planted a tree a long time ago.

I believe there's an inner power that makes winners or losers. And the winners are the ones who really listen to the truth of their hearts.

Someone's sitting in the shade today because someone planted a tree a long time ago.

Great hopes make great men.

Change your thoughts and you change your world.

Every heart that has beat strongly and cheerfully has left a hopeful impulse behind it in the world, and bettered the tradition of mankind.