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

At the start there’s always energy.

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

There’s plenty of fire in the coldest flint!

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

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

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.