To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.
Should you find yourself in a chronically leaking boat, energy devoted to changing vessels is likely to be more productive than energy devoted to patching leaks.
Life shrinks or expands in proportion to one's courage.
Luxury is not a necessity to me, but beautiful and good things are.
Life is not an exact science, it is an art.
When making your choice in life, do not neglect to live.
Consistency is contrary to nature, contrary to life. The only completely consistent people are the dead.
I am convinced we do not only love ourselves in others but hate ourselves in others too.
Life has got to be lived-that's all that there is to it.
Our life is frittered away by detail. Simplify, simplify.
Life is a succession of lessons which must be lived to be understood.
Live your life and forget your age.
Too much of a good thing can be wonderful!
He who kisses joy as it flies by will live in eternity's sunrise.
To forget is the secret of eternal youth. One grows old only through memory. There's much too little forgetting.
History repeats itself, first as tragedy, second as farce.
There are two things a person should never be angry at, what they can help, and what they cannot.
You can give in to the failure messages and be a bitter deadbeat of excuses. Or you can choose to be happy and positive and excited about life.
The more man meditates upon good thoughts, the better will be his world and the world at large.
Today, more than ever before, life must be characterized by a sense of Universal responsibility, not only nation to nation and human to human, but also human to other forms of life.
I'm not sure I'm adult yet.