永远保持节俭，除非是为了自己的热情。
Be frugal in all things， except in your passions splurge.
写作的行为是一种希望的行为。
"To be useful was the best thing the old men ever hoped for themselves, and to be aimless was their worst fear."
Success comes when preparation meets opportunity.
我相信我们都是自己的墓地；我们蹲伏在自己过去的坟墓之间。
黑洞不仅仅是破坏性的怪物，它们在塑造星系中起着关键作用。