Policymakers should be open to revising their views based on new evidence.
政策制定者应乐于根据新证据修正他们的观点。
We don't need perfect knowledge to take sensible actions.
The landscape of string theory is vast and complex, with perhaps 10^500 different possible universes.
艺术应当为人民服务。
梦想不会自己实现,除非你付诸行动。