The greatest truths are often the ones we cannot put into words.
"History is not just what happened, but what people thought and felt about it."
The best books are the ones that children want to read again and again.
I like everything that has no style: dictionaries, photographs, nature, myself and my paintings.
数学的本质在于它的自由。
The deterioration of every government begins with the decay of the principles on which it was founded.