If there is a word in the dictionary under any letter from A to Z that I abominate, it is energy.

Fire is a natural symbol of life and passion, though it is the one element in which nothing can actually live.

Where it is a duty to worship the sun, it is pretty sure to be a crime to examine the laws of heat.

What is life but organized energy?

I care. I care about it all. It takes too much energy not to care.

Fire destroys that which feeds it.

The transition from tenseness, self-responsibility, and worry to equanimity, receptivity, and peace is the most wonderful of all those shiftings of inner equilibrium, those changes of personal center of energy.

Is it a fact—or have I dreamed it—that, by means of electricity, the world of matter has become a great nerve, vibrating thousands of miles in a breathless point of time?

It is not too much to expect that our children will enjoy in their homes electrical energy too cheap to meter.

To burn always with this hard, gemlike flame, to maintain this ecstasy, is success in life.

Oil dependency is not just an economic attachment but appears as a kind of cognitive compulsion.

I imagine that one of the first forms of behavior, like one of the first signals, may be reduced to this: “Keep me warm.”

The fundamental concept in social science is power, in the same sense in which energy is the fundamental concept in physics.