实现明天理想的唯一限制是我们今天的疑虑。
The only way to do great work is to love what you do.
The past is a shadow that follows you into the future.
没有压力,就没有钻石。
Science progresses not just by answering questions, but by asking better ones.
文学是我唯一无需护照就能生活的国度。