If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.
A mother takes twenty years to make a man of her boy, and another woman makes a fool of him in twenty minutes.
Our life is frittered away by detail. Simplify, simplify.
A life spent making mistakes is not only more honorable, but more useful than a life spent doing nothing.
Some days you're the bug, some days you're the windshield.
Being ignorant is not so much a shame, as being unwilling to learn.
To be interested in the changing seasons is . . . a happier state of mind than to be hopelessly in love with spring.
Amnesty is as good for those who give it as for those who receive it. It has the admirable quality of bestowing mercy on both sides.
The things that come to those that wait may be the things left by those that got there first.
Life's a journey, not a destination.
There's place and means for every man alive.
Most people treat the present moment as if it were an obstacle that they need to overcome. Since the present moment is life itself, it is an insane way to live.
Your pain is the breaking of the shell that encloses your understanding... And could you keep your heart in wonder at the daily miracles of your life, your pain would not seem less wondrous than your joy
It is easier to influence strong than weak characters in life.
If a man neglects education, he walks lame to the end of his life
The earth is like a spaceship that didn't come with an operating manual.
Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.
Don't part with your illusions. When they are gone you may still exist, but you have ceased to live.
The more sand that has escaped from the hourglass of our life, the clearer we should see through it.
Almost all our desires, when examined, contain something too shameful to reveal.
Dictators ride to and fro upon tigers which they dare not dismount. And the tigers are getting hungry.