There are things so deep and complex that only intuition can reach it in our stage of development as human beings.

Keep your face always toward the sunshine—and shadows will fall behind you.

Love is the extremely difficult realization that something other than oneself is real.

The most beautiful things in the world cannot be seen or even touched. They must be felt with the heart.

I know but one freedom and that is the freedom of the mind.

Problems are only opportunities with thorns on them

Avoid the temptation to work so hard that there is no time left for serious thinking.