Every breakthrough starts with a question.
The chains that bind us most closely are the ones we have broken.
The past, like the future, is indefinite and exists only as a spectrum of possibilities.
The house,the stars,the desert,what givethem their beauty is something that is invisible.
事实并非真相，尽管它们是真相的一部分。
The double helix structure of DNA is one of the most beautiful and elegant structures in all of science.