Pain is temporary. It may last a minute, or an hour, or a day, or a year, but eventually it will subside and something else will take its place. If I quit, however, it lasts forever.

Between stimulus and response there is a space. In that space is our power to choose our response. In our response lies our growth and our freedom.

Every lump of coal we mine keeps the lights on in someone's home.

I’m not afraid to fail. I’m not afraid to fall. I’m not afraid to be criticized.

Do not think it worthwhile to produce belief by concealing evidence, for the evidence is sure to come to light.

你的空气无法流动是因为我。