The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.
Don't be too timid and squeamish about your actions. All life is an experiment. The more experiments you make the better.
Never throughout history has a man who lived a life of ease left a name worth remembering.
Be thankful for what you have; you'll end up having more. If you concentrate on what you don't have, you will never, ever have enough
Open your arms to change, but don't let go of your values.
What is that you express in your eyes? It seems to me more than all the words I have read in my life.
Behind every beautiful thing, there's some kind of pain.
For life in general, there is but one decree: youth is a blunder, manhood a struggle, old age a regret.
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.
I think it's much more interesting to live not knowing than to have answers which might be wrong.
The historian looks backward. In the end he also believes backward.
Life can be wonderful if you're not afraid of it. All it takes is courage, imagination ... and a little dough
To be able to look back upon ones life in satisfaction, is to live twice.
Death is not the opposite of life, but a part of it.
Let the guarantee of free speech be in every man's determination to use it, and we shall have no need of paper declarations.
Life is full of misery, loneliness, and suffering - and it's all over much too soon.
Don't let making a living prevent you from making a life.
I can't wait to figure out what is wrong with me, so I can say this is the way that I used to be.
Consistency is contrary to nature, contrary to life. The only completely consistent people are the dead.
Boys will be boys. And even that wouldn't matter if only we could prevent girls from being girls.
I can't help thinking that there are only one or two ways of being brought into this world, but there are so many fucked-up ways of leaving it.