The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
量子力学的数学形式不仅是一种工具,更是一种揭示自然深层结构的语言。
真正的诗人是能够用一个词捕捉一个瞬间的本质,并能够用一行表达无法表达的东西的人。
Leaders must have the courage to make tough decisions today for a better tomorrow.