My scientific studies have afforded me great satisfaction; and I am convinced that it will not be long before the whole world acknowledges the results of my work.

True innovation happens when you question the assumptions everyone else accepts.

The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.

最后，正如丘吉尔指出的那样，你总是可以指望美国人做正确的事情，但只有在他们尝试了其他一切之后。

We innovate by starting with the customer and working backwards. That becomes the touchstone for how we invent.