过去是一个幽灵，萦绕在现在。
The past is a ghost, haunting the present.
Quantum error correction is the key to making quantum computers practical.
The world is full of signs, and the writer's job is to decipher them.
Memory is the diary we all carry about with us.
"Success is not about the technology itself, but about the experiences it enables and the lives it improves."
To understand a program you must become both the machine and the program.
Fairy tales are more than true: not because they tell us that dragons exist, but because they tell us that dragons can be beaten.