The human brain is a social brain, and it evolved to deal with social relationships.

The only sensible ends of literature are, first, the pleasurable toil of writing; second, the gratification of one's family and friends; and lastly, the solid cash.

提问者：巴菲特先生，我一直想买伯克希尔的股票，但不得不考虑您个人会发生某些事，我可承受不了意外风险。巴菲特如此说。