Having knowledge but lacking the power to express it clearly is no better than never having any ideas at all.

There is a thin line that separates laughter and pain, comedy and tragedy, humor and hurt.

We are all born ignorant, but one must work hard to remain stupid.

Do exactly what you would do if you felt most secure.

One word frees us of all the weight and pain in life. That word is love.

Too often we... enjoy the comfort of opinion without the discomfort of thought.

Real knowledge is to know the extent of one's ignorance.

You’re braver than you believe, and stronger than you seem, and smarter than you think.

Just as a candle cannot burn without fire, men cannot live without a spiritual life.

Nature always wears the colors of the spirit.