数学直觉常常指导算法的发展,但确保其正确性和效率的是严格的证明。
The price of apathy towards public affairs is to be ruled by evil men.
Leadership is not about being in charge. It's about taking care of those in your charge.
"You don't need a degree to be a writer. You just need to write."
释义:日月依天而行,百谷草木依附地而生存。