Mathematics is an art, and as an artist, you have to be honest with yourself.
Love is the ability and willingness to allow those that you care for to be what they choose for themselves without any insistence that they satisfy you.
公众非常宽容，他们原谅一切，除了天才。
幸福并不容易。很难在我们内心找到它，更不可能在别处找到它。
The quality of light is the quality of space.