Your work begins, work that will not be always joyful to you, labor that may not always fulfill you and days that will seem like one damn thing after the other.

The past is always changing, because we are always changing our relationship to it.

对中国国民党同志共勉，1920年1月1日

Don't interfere with anything in the Constitution. That must be maintained, for it is the only safeguard of our liberties. And not to Democrats alone do I make this appeal, but to all who love these great and true principles.

The mind is a complex system that can be analyzed at multiple levels.

The best leaders are those who empower others to lead.

爱是在他人的存在中找到意义。

Those of us who have been fortunate have a duty to give back.Whether one gives a lot as one goes along as I do, or a little and then a lot (when one dies) as Warren does, is a matter of personal preference.