Understanding the limits of computation is as important as understanding its possibilities.

人的心胸欲念多则狭窄，欲念少则心胸宽广；人的心境多欲则忙乱，少欲则悠闲；人的心术多欲则险恶，少欲则和平；人的心事多欲则忧愁，少欲则快乐；人心之气象，多欲则软弱，少欲则刚强。

In times of change, the learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.

Profit and sustainability are not opposites; they are partners in long-term success.