质量不是问题；它是一个解决方案。
We're here to put a dent in the universe. Otherwise why else even be here?
A man takes a rocket ship into the stars, and all I got is this broken guitar.
Do not linger to gather flowers to keep them,but walk on,for flowers will keep themselves blooming all your way.
Do not think it worthwhile to produce belief by concealing evidence, for the evidence is sure to come to light.