Crocodiles are easy. They try to kill and eat you. People are harder. Sometimes they pretend to be your friend first.

People who think they know everything are a great annoyance to those of us who do.

You cannot teach a man anything; you can only help him find it within himself.

Healing is a matter of time, but it is sometimes also a matter of opportunity.

Life would be tragic if it weren't funny. Laugh at the Absurdity of Life

Be less curious about people and more curious about ideas.

 image quote by Hippocrates

Before you heal someone, ask him if he's willing to give up the things that made him sick.

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.

Once we know our weaknesses they cease to do us any harm.

Knowledge is an unending adventure at the edge of uncertainty.

You only get one life. You might as well spend it working on something great.

Always remember that you are absolutely unique. Just like everybody else.

There's nothing quite as frightening as someone who knows they are right.

 image quote by Galileo Galilei

I've loved the stars too fondly to be fearful of the night.

To do nothing is sometimes a good remedy.

My mission is to create a world where we can live in harmony with nature.

The deepest sin against the human mind is to believe things without evidence.

Never let your sense of morals prevent you from doing what is right.

Nothing is too wonderful to be true if it be consistent with the laws of nature.

I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses.

 image quote by Alexis Carrel

Man cannot remake himself without suffering, for he is both the marble and the sculptor.

The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.

Realizing that our actions, feelings and behaviour are the result of our own images and beliefs gives us the level that psychology has always needed for changing personality.

Nothing is perfect. Life is messy. Relationships are complex. Outcomes are uncertain. People are irrational.

Always remember that you are absolutely unique. Just like everyone else.

I am not a speed reader. I am a speed understander.

Power is the by-product of understanding.

 image quote by Margaret Mead

Children must be taught how to think, not what to think.

I waged war against my feelings.

The map is not the territory.

Intuition comes very close to clairvoyance; it appears to be the extrasensory perception of reality.

It matters if you just don't give up.

Half of us are blind, few of us feel, and we are all deaf.

Discovery consists of seeing what everybody has seen, and thinking what nobody has thought.

 image quote by James Dewar

Minds are like parachutes. They only function when they are open.

Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.

One must credit an hypothesis with all that has had to be discovered in order to demolish it.

It is smarter to borrow from nature than to reinvent the wheels.

I've been married three times -- and each time I married the right person.

One of the oldest human needs is having someone wonder where you are when you don't come home at night.

When the traveler goes alone he gets acquainted with himself.

 image quote by Isaac Asimov

Writing, to me, is simply thinking through my fingers.

I am against religion because it teaches us to be satisfied with not understanding the world.

Everyone makes a greater effort to hurt other people than to help himself.

In each of us there is a little of all of us.

Let me tell you the secret that has led me to my goal, My strength lies solely in my tenacity.

Science moves with the spirit of an adventure characterized both by youthful arrogance and by the belief that the truth, once found, would be simple as well as pretty.

Life is pleasant. Death is peaceful. It's the transition that's troublesome.

 image quote by Margaret Mead

Children must be taught how to think, not what to think.

Low self-esteem is like driving through life with your hand-break on.

The most dangerous untruths are truths slightly distorted.

Don't make friends who are comfortable to be with. Make friends who will force you to lever yourself up.

Trust yourself, you know more than you think you do.

Never let your sense of morals get in the way of doing what's right.

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

 image quote by Herbert Simon

A wealth of information creates a poverty of attention.

To confine our attention to terrestrial matters would be to limit the human spirit.

Walking is a man's best medicine.