The best time to plant a tree was 20 years ago. The second-best time is now.
种一棵树最好的时间是20年前,第二好的时间是现在。
预测未来的最好方法就是创造未来。
大脑不是刺激的被动接受者,而是知觉的主动组织者
I don't need a reason to be confident in my choices.