Either man is obsolete or war is. War is the ultimate tool of politics. Political leaders look out only for their own side. Politicians are always realistically maneuvering for the next election. They are obsolete as fundamental problem-solvers.

The most important thing about Spaceship Earth - an instruction book didn't come with it.

There will come a time when the proper education of children, by a glorified system of spontaneous education of choice, similar to the Montessori System, will be made possible.

The nearest each of us can come to God is by loving the truth.

It seems that truth is progressive approximation in which the relative fraction of our spontaneously tolerated residual error constantly diminishes.

There is no energy crisis, only a crisis of ignorance.

The question of integrity will get finer and finer and more delicate and more beautiful.