数学不是观赏性运动——你必须参与其中才能欣赏它的美。
Mathematics is not a spectator sport—you have to engage with it to appreciate its beauty.
人类的选择在于自由和幸福之间,而对于大多数人来说,幸福更好。
我们必须拥抱变化并不断创新。
A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.