Challenges are opportunities in disguise. Embrace them to grow stronger.
The true power of mathematics lies in its ability to reveal the hidden patterns and structures that govern the universe.
The world is my country, all mankind are my brethren, and to do good is my religion.
The internet should be for everyone - it's too important to leave anyone behind.
要理解一片森林，你必须倾听它——不仅用耳朵，还要用心。