Ignorant men don't know what good they hold in their hands until they've flung it away.
无知的人不知道他们手里有什么好东西,直到他们把它扔掉。
-- Sophocles 索福克勒斯
Ignorant men don't know what good they hold in their hands until they've flung it away.
无知的人不知道他们手里有什么好东西,直到他们把它扔掉。
-- Sophocles 索福克勒斯