The strength of a response tendency depends on the amount of reinforcement received.
恐惧只是我们对自己讲的故事。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
"Memory is a battlefield, not an archive."
改变的秘诀在于集中你所有的精力,不是对抗过去,而是建设未来。