Many people believe that they are attracted by God, or by Nature, when they are only repelled by man.

The courage of a soldier is found to be the cheapest and most common quality of human nature.

Is there some principal of nature which states that we never know the quality of what we have until it is gone?

In the beginning you must subject yourself to the influence of nature. You must be able to walk firmly on the ground before you start walking on a tightrope.

Plot, rules, nor even poetry, are not half so great beauties in tragedy or comedy as a just imitation of nature, of character, of the passions and their operations in diversified situations.

I often get letters, quite frequently, from people who say how they like the programmes a lot, but I never give credit to the almighty power that created nature.

The man who has sufficient power over himself to wait until his nature has recovered its even balance is the truly wise man, but such beings are seldom met with.

What I'm attempting to do is to show people that if I can spend some time with very dangerous spiders and snakes and scorpions, then maybe they'll feel different about the spiders and snakes they find around their areas. I don't need people to keep them as pets. I just like them to be respectful and see that everything in nature has its place.

It's human nature to start taking things for granted again when danger isn't banging loudly on the door.

I used to be such a militant city-ist, but more and more I've seen forests and nature and oceans, and I don't know any more if this is the awesomest way to live.