The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.

"The soul of a person is revealed in their stories."

I'm the reason your air won't move.

小猪：“‘爱’这个字是怎么写的?”维尼：“爱不是写出来的，是感觉到的。”

成功的市场设计关键在于预测参与者在不同规则下的行为。