One is a great deal less anxious if one feels perfectly free to be anxious, and the same may be said of guilt.

When a man no longer confuses himself with the definition of himself that others have given him, he is at once universal and unique.

We do not "come into" this world; we come out of it, as leaves from a tree.

Wars based on principle are far more destructive... the attacker will not destroy that which he is after.

If the human race develops an electronic nervous system, outside the bodies of individual people, thus giving us all one mind and one global body, this is almost precisely what has happened in the organization of cells which compose our own bodies. We have already done it. [...] If all this ends with the human race leaving no more trace of itself in the universe than a system of electronic patterns, why should that trouble us? For that is exactly what we are now!

You and I are all as much continuous with the physical universe as a wave is continuous with the ocean.

Nothing is more creative than death, since it has the whole secret of life. It means that the past must be abandoned, that the unknown cannot be avoided, that 'I' cannot continue, and that nothing can be ultimately fixed. When a man knows this, he lives for the first time in his life. By holding his breath, he loses it. By letting go he finds it.