心是指南針，但并不總指向北方。
2004年9月13日，81歲的楊振寧在清華大學(xué)開始為本科生講授普通物理。他說
Every equation we write is a small step towards understanding the cosmos, but the journey is infinite.
The key to successful mining is not just extracting resources, but doing so sustainably and responsibly.
The very essence of the creative is its novelty, and hence we have no standard by which to judge it.
創(chuàng)造性的本質(zhì)在于它的新穎性，因此我們沒有標(biāo)準(zhǔn)來評判它。