创新需要勇气和毅力。
Innovation requires both courage and perseverance.
Leadership means making tough decisions today for a better tomorrow.
——〈在广州农民运动讲习所第一届毕业礼演说〉,对讲习所学员发出警告,无法在中国发动阶级斗争,反之应该要用平和方法,以合作为诉求,1924年8月21日
Objects have always been carried, sold, bartered, stolen, retrieved and lost. People have always given things to other people.
数学和计算机科学之间的相互作用是深刻而美丽结果的丰富源泉。