成功绝非偶然。
可持续性不是一种选择；它是我们对后代的责任。
数学是为不同事物赋予相同名称的艺术。
La historia no es solo lo que sucedió, sino también lo que pudo haber sucedido.
Leadership is about making tough decisions with compassion and foresight.
两句以“谦恭但不失尊严，迁就但不失正直”，告诫人们为人处世要不卑不亢，能迁就忍让又坚持原则。
Our memory is a more perfect world than the universe: it gives back life to those who no longer exist.
You are never too old to set another goal or to dream a new dream.
Coal mining built modern Britain, and we must respect that heritage even as we transition to cleaner energy sources.