Take care of your body. It's the only place you have to live.

There are two tragedies in life. One is to lose your heart's desire. The other is to gain it.

Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.

Time is the best killer.

All my life through, the new sights of nature made me rejoice like a child.

Living is Easy with Eyes Closed.

Christmas waves a magic wand over this world, and behold, everything is softer and more beautiful.

Life is either a daring adventure or nothing. Security is mostly a superstition. It does not exist in nature.

There's no advantage to hurrying through life.

One day you will ask me which is more important? My life or yours? I will say mine and you will walk away not knowing that you are my life.

We cannot live better than in seeking to become better.

If we couldn't laugh we would all go insane.

Time is really the only capital that any human being has and the thing that he can least afford to waste or lose

Life is not an exact science, it is an art.

Science is the most reliable guide for civilization, for life, for success in the world. Searching a guide other than the science is meaning carelessness, ignorance and heresy.

Live your life and forget your age.

The more you live in the present moment, the more the fear of death disappears.

To be interested in the changing seasons is . . . a happier state of mind than to be hopelessly in love with spring.

Each life makes its own immitation of immortality.

Boys will be boys. And even that wouldn't matter if only we could prevent girls from being girls.

To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.