One day, in retrospect, the years of struggle will strike you as the most beautiful.

Courage is a kind of salvation.

Nothing exists except atoms and empty space; everything else is opinion.

The natural world is the greatest source of excitement. The greatest source of visual beauty. It is the greatest source of so much in life that makes life worth living.

Time is the best killer.

I think it's much more interesting to live not knowing than to have answers which might be wrong.

One of the saddest things in life, is the things one remembers.

Any place I hang my head is home.

To live is to choose. But to choose well, you must know who you are and what you stand for, where you want to go and why you want to get there.

I always like to look on the optimistic side of life, but I am realistic enough to know that life is a complex matter.

Old age is the only disease you dont want to be cured of.

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.

Just as modern motorways have no room for ox-carts or wandering pedestrians, so modern society has little place for lives and ways that are too eccentric.

The doctor of the future will give no medicine, but will interest her or his patients in the care of the human frame, in a proper diet, and in the cause and prevention of disease.

We all owe death a life.

The most important thing to do if you find yourself in a hole is to stop digging.

Insanity in individuals is rare - but in groups, parties, nations, and epochs, it is the rule.

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

The future starts today, not tomorrow.

Don't part with your illusions. When they are gone you may still exist, but you have ceased to live.

There is one common struggle against those who have appropriated the earth, the money, and the machines.