The fact that gravity is so much weaker than the other forces is probably the deepest mystery in physics.
引力比其他力弱得多这一事实可能是物理学中最深刻的谜团。
It's not about being the best, it's about being better than you were yesterday.
精神生活不是否定的生活,而是肯定的生活。
"Empathy makes you a better innovator."