世界上充满了神奇的事物,耐心地等待着我们的感官变得更加敏锐。
I'm not perfect, but I'm trying every day to be better than I was yesterday.
The language of mathematics is universal, transcending cultural and linguistic barriers.
I'm as proud of many of the things we haven't done as the things we have done.Innovation is saying no to a thousand things.