Every man's memory is his private literature.
When people start asking you to do the same thing over and over again, that's when you know you're way too close to something that you don't want to be near.
Never go to a doctor whose office plants have died.
If you follow every dream, you might get lost.
All the perplexities, confusion and distress in America arise, not from defects in their Constitution or Confederation, not from want of honor or virtue, so much as from the downright ignorance of the nature of coin, credit and circulation.
Every time you are tempted to react in the same old way, ask if you want to be a prisoner of the past or a pioneer of the future.
I am one of those who think like Nobel, that humanity will draw more good than evil from new discoveries.
The world is moving so fast these days that the man who says it can't be done is generally interrupted by someone doing it.
All that you accomplish or fail to accomplish with your life is the direct result of your thoughts.
Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it.
Until we're educating every kid in a fantastic way, until every inner city is cleaned up, there is no shortage of things to do.
The day of individual happiness has passed
Circumstances do not make the man, they reveal him.
Be like a tree and let the dead leaves drop.
A good traveller has no fixed plans, and is not intent on arriving.
Worry is the interest paid by those who borrow trouble.
You can have everything in life that you want if you just give enough other people what they want.
Who are you to judge the life I live? I know I'm not perfect-and I don't live to be-but before you start pointing fingers... make sure your hands are clean!
Liberty, according to my metaphysics is a self-determining power in an intellectual agent. It implies thought and choice and power.
Hope is like the sun, which, as we journey toward it, casts the shadow of our burden behind us.
Dream lofty dreams, and as you dream, so you shall become. Your vision is the promise of what you shall one day be; your ideal is the prophecy of what you shall at last unveil.