The writer is delegated to declare and to celebrate man's proven capacity for greatness of heart and spirit—for gallantry in defeat, for courage, compassion and love. In the endless war against weakness and despair, these are the bright rally flags of hope and of emulation.
预测未来的最好方法就是创造它。
革命道德不是从天上掉下来的。它是在日常斗争中培养,在革命活动中锤炼的。
基因编辑的伦理影响必须在每一步都得到考量。
The pursuit of mathematical knowledge is a journey that never ends.