"In computer science, we are always trying to find the balance between expressiveness and tractability."
大国政治的悲剧在于,即使是善意的国家也被迫采取可能导致冲突和战争的行为。
We are all time capsules carrying fragments of the past.
If we were motivated by money, we would have sold the company a long time ago and ended up on a beach.