Man never made any material as resilient as the human spirit.

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

As knowledge increases, wonder deepens.

Change your thoughts and you change your world.

The glow of one warm thought is to me worth more than money.

The glow of one warm thought is to me worth more than money.

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

Every charitable act is a stepping stone toward heaven.

Yesterday we obeyed kings and bent our necks before emperors. But today we kneel only to truth, follow only beauty, and obey only love.

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