一个心理过程的价值在于它的生存效用。
每个科学家都梦想着做一些能够帮助世界的事情。
Mexico is a country that is always in the process of becoming, never quite arriving.
The best way to get started is to quit talking and begin doing.
要解决复杂的问题,我们必须首先理解产生这些问题的系统。