That which costs little is less valued.
In the United States today, we have more than our share of the nattering nabobs of negativism.
A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.?
Sunlight is painting.
Ladies who play with fire must remember that smoke gets in their eyes.
The destruction of the past is perhaps the greatest of all crimes.
Never lend your car to someone you've given birth to.
All that spirits desire, spirits attain.
How vain it is to sit down to write when you have not stood up to live.
I can bear any pain as long as it has meaning.
The cure for boredom is curiosity.There is no cure for curiosity.
Children's talent to endure stems from their ignorance of alternatives.
I am not interested in picking up crumbs of compassion thrown from the table of someone who considers himself my master. I want the full menu of rights.
External nature is only internal nature writ large.
It is wonderful when you don't have the fear, and a lot of the time I don't ... I focus on what needs to be done instead.
Obsession is an attractive thing. People who are really, really interested and good at one thing and smart are attractive, if they're men.
Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense.
Thought is free.
You sort of start thinking anything's possible if you've got enough nerve.
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.
I have a simple philosophy. Fill what's empty. Empty what's full. And scratch where it itches.