Take a chance! All life is a chance. The man who goes farthest is generally the one who is willing to do and dare.
Until you value yourself, you won't value your time. Until you value your time, you will not do anything with it.
Old age, especially an honoured old age, has so great authority, that this is of more value than all the pleasures of youth.
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.
Fortune cannot aid those who do nothing.
Too much of a good thing can be wonderful!
Life can be pulled by goals just as surely as it can be pushed by drives.
I'm never going to be disabled. I'm sick of being so healthy.
Exceptional claims demand exceptional evidence.
The highest manifestation of strength is to keep ourselves calm and on our own feet.
I like nonsense, it wakes up the brain cells. Fantasy is a necessary ingredient in living.
Old age is the only disease you dont want to be cured of.
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.
Every person who ever thought he had a right to assert, and went boldly and asserted it, himself, or jointly with others that shared his convictions, was a direct actionist.
Life is pure adventure, and the sooner we realize that, the quicker we will be able to treat life as art.
Those who want to live, let them fight, and those who do not want to fight in this world of eternal struggle do not deserve to live.
Nothing exists except atoms and empty space; everything else is opinion.
Life's pretty good, and why wouldn't it be? I'm a pirate, after all.
We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to be created at once by special act.
Each person must live their life as a model for others.
Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.