〈在广东第一女子师范学校校庆纪念会的演说〉,1924年4月4日
我训练,我相信,我尊重,我耐心,我保持积极。
Investing in renewable energy and cleaner technologies is part of our commitment to a sustainable future.
Never underestimate the power of small steps—they lead to big transformations.
学习数学的唯一方法就是做数学。