The development of computational complexity theory has shown us that not all problems are created equal.
可持续性不是一种趋势,而是商业的未来。
我的音乐就是我的日记。
我是一个美国黑人,我为我的种族感到骄傲。我为自己是谁感到骄傲。我有许多自豪和尊严。
Success is not final, failure is not fatal: It is the courage to continue that counts.