创造高效和选择性催化剂的挑战让我每天都充满动力。

The only limit to our realization of tomorrow is our doubts of today.

"Silence is the only language that cannot be misinterpreted."

The greatest glory in living lies not in never falling, but in rising every time we fall.

The consequences of this problem make themselves felt in bookshops. When you go to a large bookshop and look at the self-help sections, as I sometimes do -- if you analyze self-help book sproduced in the world today, there are basically two kinds. The first kind tells you, "You can do it! You can make it! Anything's possible!" The other kind tells you how to cope with what we politely call "low self-esteem," or impolitely call, "feeling very bad about yourself."