Don't be afraid to take risks. The biggest risk is not taking any risk at all.
Every observation brings us closer to answering fundamental questions about the cosmos.
Confidence comes from within, and it's something you have to build every day.
The beauty of mathematics is that it is eternal, it doesn't change.
The only limits in life are the ones you set for yourself.
在這個(gè)常常獎(jiǎng)勵(lì)自私的世界里，善良可以是一種革命性的行為。
The greatest journeys are those taken within.