Success is not final, failure is not fatal: It is the courage to continue that counts.
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.
弦理论的数学美感表明它必须是自然界终极描述的一部分。
过去总是与我们同在,因为它滋养着现在。
在弦理论的景观中,可能有10^500种不同的真空状态,每种状态对应一个不同的可能宇宙。