No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
无论多么复杂或精细，所有行为都可以用刺激和反应来解释。
The most sustainable building is the one that is loved.
The sculpture is already complete within the marble block, before I start my work. It is already there, I just have to chisel away the superfluous material.
连祖国都不爱的人，是什么也不会爱的。