把这一句，留给此刻的你

The vitality of thought is in adventure. Ideas won't keep. Something must be done about them. When the idea is new, its custodians have fervor, live for it, and if need be, die for it.

思想的活力在于冒险。想法不会耽误。必须对他们采取措施。当这个想法是新的时候，它的保管人有激情，为它而活，如果需要，为它而死。

— Alfred North Whitehead 阿尔弗雷德北怀特黑德