Man, in the collective sense, is the hero of science. Man, in the collective sense, is the hero of Earth.

Most people don't put things together. Geologists study the surface of the earth and geological phenomena. Meteorogists study the weather. That isn't science. Science is the study of all things that affect human beings. They have to be together! A meteorologist has difficulty talking with a sociologist, because they don't understand each other. You can't teach sciences in 'bits'; you have to bring it all together. Science is a way of thinking - a way at arriving at conclusions without your own opinion in it.

We don't know how to live together on Earth, how the hell are we going to live together on Mars?

We could either develop paradise on Earth or oblivion; wipe ourselves out, only the future will tell. It's what you do to make the future.

It is not enough to criticize society without offering a workable alternative.

There are no bad people, there are people with insufficient information to make appropriate decisions.

Nicola Tesla didn't say, 'I have to make wireless electricity!' The brain does not work that way.