Wonder rather than doubt is the root of all knowledge.

Everyone here has the sense that right now is one of those moments when we are influencing the future.

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

Hope is some extraordinary spiritual grace that God gives us to control our fears, not to oust them.

I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion.

How glorious a greeting the sun gives the mountains!

Everyone here has the sense that right now is one of those moments when we are influencing the future.

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

I arise full of eagerness and energy, knowing well what achievement lies ahead of me.

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