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"The bond of family is stronger than any challenge."

The more constraints you have, the more creative you become.

Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.

樹(shù)木是大地向傾聽(tīng)的天空訴說(shuō)的無(wú)盡努力。

I think it's important to keep challenging yourself, to keep growing.