The present is a fleeting moment, already becoming the past.
当下是转瞬即逝的时刻，已经在成为过去。
Some birds are not close, because they are too bright.
"Sometimes the hardest thing in life is to know which bridge to cross and which to burn."
The people who are crazy enough to think they can change the world are the ones who do.
理论计算机科学的重要性在于它能够为实际应用提供基础。