人生には、答えのない問いがたくさんある。
人生中有许多没有答案的问题。
科学更多的是一种思维方式，而不是一堆知识。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
"The mind is what the brain does."
The value of a mental process lies in its utility for the organism's adjustment to life.