数学不是一项观赏性运动。
Mathematics is not a spectator sport.
经济模型的价值在于其解释和预测的能力。
I encourage you to accept that you may not be able to see a path right now, but that doesn’t mean it’s not there.
Policy should be based on evidence, not ideology.
【译文】得到恩惠很深时应及早退出身来,春风得意时要及时罢休。千万不要等到是非传入耳内,致使过去的恩爱变成怨仇。
I don't let the world dictate my worth.