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。
可持续发展不是一种选择,而是我们对后代的责任。
It is silly not to hope, he thought.
别做最好的,要做唯一的。
"A writer must have the courage to face the truth, no matter how painful it may be." 《日落绿洲》
I don't think anything is unrealistic if you believe you can do it.