改变的秘诀在于集中你所有的精力,不是对抗旧的,而是建立新的。
The secret of change is to focus all of your energy not on fighting the old, but on building the new.
The best way to predict the future is to create it.
弦理论的景观是广阔而复杂的,可能有10^500个不同的可能宇宙。