If you think you can do it, you can.
The dog that trots about finds a bone.
Go for it now. The future is promised to no one.
Only the educated are free.
Quality is not an act, it is a habit.
I can, therefore I am.
Be thine own palace, or the world's thy jail.
Well done is better than well said.
To be a good loser is to learn how to win.
Who seeks shall find.
I look forward to a great future for America - a future in which our country will match its military strength with our moral restraint, its wealth with our wisdom, its power with our purpose.
The great enemy of the truth is very often not the lie, deliberate, contrived and dishonest, but the myth, persistent, persuasive and unrealistic.
Unconditional war can no longer lead to unconditional victory. It can no longer serve to settle disputes... can no longer be of concern to great powers alone.
There are many people in the world who really don't understand-or say they don't-what is the great issue between the free world and the Communist world. Let them come to Berlin!
History is a relentless master. It has no present, only the past rushing into the future. To try to hold fast is to be swept aside.
If we cannot now end our differences, at least we can help make the world safe for diversity.
We would like to live as we once lived, but history will not permit it.
Geography has made us neighbors. History has made us friends. Economics has made us partners, and necessity has made us allies. Those whom God has so joined together, let no man put asunder.
In the long history of the world, only a few generations have been granted the role of defending freedom in its hour of maximum danger. I do not shrink from this responsibility - I welcome it.
We have the power to make this the best generation of mankind in the history of the world or to make it the last.