If you don’t take risks, you’ll never know what you could have achieved.
解讀：長時間關注、對抗惡，自身容易被惡同化，心懷善念，不與惡糾纏，保持距離，才不會被黑暗吞噬，守住內(nèi)心光明。
"In computer science, we are always trying to find the balance between expressiveness and tractability."