心理过程进化是为了解决实际问题。
Mental processes evolved to solve practical problems.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
The balance between production and conservation is delicate, but achievable.
我们不能仅仅按照过去的方式做事;进步需要改变。
To be a Christian without prayer is no more possible than to be alive without breathing.