The true delight is in the finding out rather than in the knowing.

可持续发展不再是可选项——它是任何希望在未来蓬勃发展的企业的必需品。

Thinking is behavior. The muscular habits learned in overt speech are responsible for implicit or internal speech (thought).

在计算学习领域，关键不仅在于学习，而在于高效地学习。