我不知道艺术是什么，但我知道它能做什么。
I don’t know what art is, but I know what it does.
There is no easy way to the glory of a great opera.
Sometimes you may feel like you’re not good enough, but you have to remember that you are a child of God and that you are loved.
When every penny must be calculated, the margin for error evaporates.
文章贵在简洁，简洁则明了；文章贵在疏朗，疏朗则通畅。
The great challenge of our time is to build institutions that can manage the complexity of modern societies.
建筑师必须是一个问题解决者。
Hope is not an emotion, but a choice.