Only when science and technology are used with human concern in a world in which all of the earth's resources are held as the common heritage of all of the earth's people can we truly say that there is intelligent life on Earth.

If you love someone and they want to leave, you help them pack. That's love

Merely complaining without proposing an alternative offers nothing.

We're not sane enough yet to enter space until we learn to live together in peace on Earth.

Working with drug addicts, alcoholics, and so-called juvenile delinquents in New York City convinced me that instead of working with individuals, more effective methods would deal with the societal conditions that create dysfunctional behaviors in the first place.

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.

You don't need to get rid of religion; you have to outgrow the need for it. In other words, instead of hoping for the good life, you make the good life.