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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.

Every problem in mathematics is an opportunity to learn something new.

你能做的最好的投資就是投資自己。

In the silence of the land, you can hear the voices of our ancestors.

The more we love our friends， the less we flatter them； it is by excusing nothing that pure love shows itself.