"Doubt is useful for a while. We must all pass through the garden of Gethsemane. If Christ played with doubt, so must we."

I do not wish them [women] to have power over men; but over themselves.

The most sustainable tree is the one that's still standing.

Technology should serve people, not make people adapt to technology.

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

Quality is not an act, it is a habit.