Failure is interesting — it’s part of making progress. You never learn from success, but you do learn from failure.

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

Sometimes, silence is more powerful than words.

只有掌握核心技术，才能掌握自己的命运。