People don't buy what you do; they buy why you do it.
释义:船装载过重就会沉没,人欲望太强就会损害生命。劝诫人要节制自己的欲望。
Mathematics is the foundation upon which the edifice of science is built.
我们必须平衡当今的能源需求与保护地球未来的必要性。