Everyone you meet is fighting a battle you know nothing about. Be kind. Always.
The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.
贫家如果要仿效富家的穿衣吃饭及庞大的花费,那就一定会很快招致灭亡。 
We must listen to the science and act with urgency to address global energy challenges.
追随你天然的好奇心,解决自己的问题,学习只是相关的副产品。