Happiness is a state of mind. It's just according to the way you look at things.

Where parents do too much for their children, the children will not do much for themselves.

能源的未来在于可持续性和创新。

The ability to be alone is the ability to love. It may look paradoxical to you, but it’s not. It is an existential truth: only those who can be alone are capable of love, of sharing, of going into the deepest core of another human being—without possessing the other, without becoming dependent on the other, without reducing the other to a thing, and without becoming addicted to the other.