We should cultivate indifference to everything.

教育的回报太遥远，而今天的生计太紧迫。

The soul is placed in the body like a rough diamond, and must be polished, or the luster of it will never appear.

Music can change the world because it can change people.

Every day is a new opportunity to change your life.

"Die Vergangenheit ist nie tot, sie ist nicht einmal vergangen."

Oil and gas will remain part of the energy mix for decades to come, but we must produce them as cleanly as possible.