That the variability of an organism to a certain extent is a constant and certain condition of life we admit, otherwise there would be no distinguishable individuals of a species.

No naturalist has devoted more painstaking attention to the structure of the barnacles than Mr. Darwin.

What is the worth of anything, But for the happiness 'twill bring?

The relationship between a Russian and a bottle of vodka is almost mystical.

But, as we have before been led to remark, most of Mr. Darwin's statements elude, by their vagueness and incompleteness, the test of Natural History facts.

Manifold subsequent experience has led to a truer appreciation and a more moderate estimate of the importance of the dependence of one living being upon another.

Cuvier had preceded Lamarck in specifying the kinds and degrees of variation, which his own observations and critical judgment of the reports of others led him to admit.

Every step in the progress of this study has tended to obliterate the technical barriers by which logicians have sought to separate the inquiries relating to the several parts of man's nature.

Homologue. The same organ in different animals under every variety of form and function.

Analogue. A part or organ in one animal which has the same function as another part or organ in a different animal.

Mr. Darwin refers to the multitude of the individual of every species, which, from one cause or another, perish either before, or soon after attaining maturity.

Children are happy because they have the power of finding happiness in the simplest things.

Don't let them drag you down by rumors just go with what you believe in.

I have resolved that from this day on I will do all the business I can honestly have all the fun I can reasonably do all the good I can willingly and save my digestion by thinking pleasantly.

We can be poor in spirit, and I don’t even consider myself wealthy, which is an interesting thing. It can be here today and gone tomorrow.

In my very own self, I am part of my family.

The Lord of man and beast is working in all; His presence is scattered everywhere; There is none else to be seen.

My television and movie career has also taken me all over the world. I've had great times in the Far East, Russia, South America and Sweden - where I met my wife of 55 years, Maj.

If I seem to wander, if I seem to stray, remember that true stories seldom take the straightest way

For God's sake give me the young man who has brains enough to make a fool of himself!

I believe in the age of the Internet, Facebook and Twitter, that relationships are everything.