Combinatorics is like the art of counting without actually counting.

The challenge of quantum computing is not just in building the hardware, but in understanding the new algorithms that can take advantage of it.

凡事要有节制，一生便不会因不恰当的行为而蒙受羞耻。

I don’t need anyone to complete me.

"The joy of discovery is certainly the liveliest that the mind of man can ever feel."