Sustainability is not a trend; it's a responsibility we all share.
数学的力量在于它的抽象性,使我们能够看到不立即显现的模式和联系。
Words have the power to heal, but they can also wound deeply.
The mind is not a vessel to be filled, but a fire to be kindled.
光以为它比任何东西都快,但它错了。无论光跑得多快,黑暗总是先到一步,并在那里等着它。