The horizon is the ultimate architectural reference.
Don‘t purchase extra insurance if you are renting a car with a credit card.
如果你用行为主义的方式养育孩子,让他们无所畏惧,世界就会改变。
定言命令只有一条,那就是:要只按照你同时能够愿意它成为一条普遍法则的那个准则去行动。
为了成功,你必须愿意失败。
你必须愿意冒险,如果失败了,你必须愿意站起来再试一次。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.