It is no measure of health to be well adjusted to a profoundly sick society.

Challenging the meaning of life is the truest expression of the state of being human.

How important it is for us to recognize and celebrate our heroes and she-roes!

Our true nationality is mankind.

Progress of mankind is progress of mind and intellect.

Humans are not proud of their ancestors, and rarely invite them round to dinner.

Man is made or unmade by himself. By the right choice he ascends. As a being of power, intelligence, and love, and the lord of his own thoughts, he holds the key to every situation.

Men always talk about the most important things to perfect strangers.

The true measure of a man is how he treats someone who can do him absolutely no good.

I just invent, then wait until man comes around to needing what I've invented.

We are not enemies, but friends. We must not be enemies. Though passion may have strained, it must not break our bonds of affection. The mystic chords of memory will swell when again touched, as surely they will be, by the better angels of our nature.

He that wrestles with us strengthens our nerves and sharpens our skill. Our antagonist is our helper.

Everywhere man blames nature and fate yet his fate is mostly but the echo of his character and passion, his mistakes and his weaknesses.

After your death you will be what you were before your birth.

The great gift of human beings is that we have the power of empathy, we can all sense a mysterious connection to each other.

All of humanity's problems stem from man's inability to sit quietly in a room alone.

These are people who are capable of devotion, public devotion, to justice. They meant what they said and every day that passes, they mean it more.

You may turn into an archangel, a fool, or a criminal ? no one will see it. But when a button is missing?everyone sees that.

It is a waste of energy to be angry with a man who behaves badly, just as it is to be angry with a car that won't go.

Johnny Cash has always been larger than life.

Take away paradox from the thinker and you have a professor.