要完成伟大的事业，我们不仅要行动，还要梦想；不仅要计划，还要相信。
I never buy anything unless I can give a good reason why I think it will go up.
人们总说你不可能取悦所有人。我认为那只是借口。我觉得只要你足够努力，你可以取悦任何人。
The function of a system of hypotheses is to warn us beforehand what will be our experience—to enable us to make accurate predictions.
唯一真正的罪过是后悔。