Complacency is the enemy of progress in medicine.

The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.

"The only way to get rid of a temptation is to yield to it."

"I don't have to be human to have human feelings."

The best products come from a deep understanding of the problem, not just a desire to make something new.

屋顶上的天空，如此蔚蓝，如此宁静！