真正的投资者几乎从不被迫出售他的股票,而在所有其他时候,他可以自由地忽视当前的报价。
The knowledge that you have emerged wiser and stronger from setbacks means that you are, ever after, secure in your ability to survive. You will never truly know yourself, or the strength of your relationships, until both have been tested by adversity. Such knowledge is a true gift, for all that it is painfully won, and it has been worth more than any qualification I ever earned.
人工智能中最令人兴奋的发展正在多个学科的交叉点上发生。