学问之道无他，求其放心而已矣。
解析：学问之道在于找回迷失的本心。
"Pressure can burst pipes or make diamonds."
有时候问题很复杂，但答案却很简单。
The pursuit of happiness is not about feeling good all the time, but about striving toward meaningful goals.
"A painting should be a feast for the eyes, a poem without words."
"The emotions are like a computer's output devices - they motivate action to solve specific adaptive problems."