对梦的研究为潜意识提供了一个独特的窗口，揭示了我们可能没有意识到的欲望、恐惧和冲突。
The great ideological battles between liberalism and communism, or between democracy and authoritarianism, have been replaced by a general consensus on the desirability of liberal democracy.
孔子说：“温习旧知识时，能有新收获，就可以做老师了。”
Every tree we plant today is a legacy for tomorrow.
我从不考虑投丢关键球的后果……当你考虑后果时，你总是想到负面的结果。