Life is an error-making and an error-correctin g process, and nature in marking man's papers will grade him for wisdom as measured both by survival and by the quality of life of those who survive.

If all the insects were to disappear from the earth, within 50 years all life on earth would end. If all human beings disappeared from the earth, within 50 years all forms of life would flourish.

There is hope in dreams, imagination, and in the courage of those who wish to make those dreams a reality.

Good parents give their children Roots and Wings. Roots to know where home is, wings to fly away and exercise what's been taught them.

[Who owns the patent on this vaccine?] Well, the people, I would say. There is no patent. Could you patent the sun?

Risks, I like to say, always pay off. You learn what to do, or what not to do.

Your dreams tell you what to do; your reason tells you how to do it.

It is always with excitement that I wake up in the morning wondering what my intuition will toss up to me, like gifts from the sea. I work with it and rely on it. It's my partner.

I see the triumph of good over evil as a manifestation of the error-correcting process of evolution.

The most important question we must ask ourselves is, 'Are we being good ancestors?'

I feel that the greatest reward for doing is the opportunity to do more.

There is no communication with God without communication with God’s people

We must either rearrange this unstable universe or we must exit from here! If we are not a mosquito or a crocodile, we must either dry out the marsh or exit from it!

I now saw, with great dismay, that what I had been carrying all this time was not a bowl but a book. This ruined everything.

There is humor in the darkest of moments - People who I have loved and passed away, and very high stake situations where you can't help but laugh. I think that's very human.

But it is a miracle that a dead man should come to life; because that has never been observed in any age or country.

As long as you're open-minded you can learn stuff from anyone.

Armed forces abroad are of little value unless there is prudent counsel at home

I wasn't the only orphan in Guatemala. There are many others, and it's not my grief alone, it's the grief of a whole people.

My inspiration is love and history.

A reader should be able to identify a column without its byline or funny little picture on top purely by look or feel, or its turgidity ratio.