The knowledge of oneself will preserve that person from vanity.
You only live once, but if you do it right, once is enough.
The earth is like a spaceship that didn't come with an operating manual.
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
This thing of being a hero, about the main thing to it is to know when to die.
To be interested in the changing seasons is . . . a happier state of mind than to be hopelessly in love with spring.
I am an American; free born and free bred, where I acknowledge no man as my superior, except for his own worth, or as my inferior, except for his own demerit.
Imagination and fiction make up more than three quarters of our real life.
Time is really the only capital that any human being has and the thing that he can least afford to waste or lose
He who is in love with himself has at least this advantage - he won't encounter many rivals.
Time is the best killer.
Every morning we are born again. What we do today is what matters most.
Life will not break your heart. It'll crush it.
Work harder on yourself than you do on your job.
Most people are other people. Their thoughts are someone else's opinions, their lives a mimicry, their passions a quotation.
It's often just enough to be with someone. I don't need to touch them. Not even talk. A feeling passes between you both. You're not alone.
The less you know, the more you believe.
Live as if you were living a second time, and as though you had acted wrongly the first time.
How wonderful it is that nobody need wait a single moment before starting to improve the world.
Hard work, disciplined habits, modesty in living, contentment and cheerfulness.
The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil, no good, nothing but blind, pitiless indifference