Don't criticize what you can't understand.

The oldest, shortest words- 'yes' and 'no'- are those which require the most thought.

Let no man pull you low enough to hate him.

Men build too many walls and not enough bridges.

One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity.

All that we see or seem is but a dream within a dream.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

The simple things are also the most extraordinary things, and only the wise can see them.

Learn from the mistakes of others. You can never live long enough to make them all yourself.

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 boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?

If you would take, you must first give, this is the beginning of intelligence.

We choose our joys and sorrows long before we experience them.

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.

If you don't know where you're from, you'll have a hard time saying where you're going.

Why fit in when you were born to stand out?

Yes, I guess you could say I am a loner, but I feel more lonely in a crowed room with boring people than I feel on my own.

It is divinity that shapes, not only your ends, but also your acts, your words and thoughts.

Destiny is not a passive agent that lies in the lap of the Gods, but is an active instrument that lies in your own hands to shape as you will.

There is always time to add a word, never to withdraw one.

Gravity is only the bark of wisdom's tree; but it preserves it