A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
If we do not lay out ourselves in the service of mankind whom should we serve?
Challenges are gifts that force us to search for a new center of gravity. Don't fight them. Just find a new way to stand.
The lie is a condition of life.
Experience is the only prophecy of wise men.
Wrong life cannot be lived rightly.
I hear and I forget. I see and I remember. I do and I understand.
When prosperity comes, do not use all of it.
The simple things are also the most extraordinary things, and only the wise can see them.
You always admire what you really don't understand.
But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.
Early to bed and early to rise, Makes a man healthy, wealthy, and wise.
If we know exactly where we're going, exactly how to get there, and exactly what we'll see along the way, we won't learn anything.
The absent are never without fault, nor the present without excuse.
Without courage, wisdom bears no fruit.
Judge not unless you judge yourself.
Real knowledge is to know the extent of one's ignorance.
There is always time to add a word, never to withdraw one.
Your visions will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.
Empty pockets never held anyone back. Only empty heads and empty hearts can do that.
A person reveals his character by nothing so clearly as the joke he resents.