Conversation should touch everything but should concentrate itself on nothing.
对话应当面面俱到，无所不谈，但又不可深谈。
I'm here to give joy to the world and to help children all over the world.
"The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'"
Work lovingly done is the secret of all life and all art.
I always believe that as long as you persist, nothing is impossible.
Every building is a kind of confession.