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.
I can choose either to be a victim of the world or an adventurer in search of treasure. It's all a question of how I view my life.
I always like to look on the optimistic side of life, but I am realistic enough to know that life is a complex matter.
Each person must live their life as a model for others.
When all life is seen as divine, everyone grows wings.
Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.
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.
During your life, never stop dreaming. No one can take away your dreams
I like nonsense, it wakes up the brain cells. Fantasy is a necessary ingredient in living.
You can have it all. Just not all at once.
It's only terrible to have nothing to wait for.
Dictators ride to and fro upon tigers which they dare not dismount. And the tigers are getting hungry.
It is not the length of life, but the depth.
Life can only be understood backwards; but it must be lived forwards.
It is only because of problems that we grow mentally and spiritually.
Life is made up of marble and mud.
Old age is the only disease you dont want to be cured of.
My life didn't please me, so I created my life.
The happiest is the person who suffers the least pain; the most miserable who enjoys the least pleasure.
In the survival of favoured individuals and races, during the constantly-recurring struggle for existence, we see a powerful and ever-acting form of selection.
Im not in this world to live up to your expectations and youre not in this world to live up to mine.