To improve is to change, so to be perfect is to have changed often.
If you're going through hell, keep going.
Success is the ability to go from one failure to another with no loss of enthusiasm.
Lady Astor: Mr. Churchill, if you were my husband, I'd poison your tea! Winston Churchill: Madam, if you were my wife, I would drink it.
Mr Churchill, you are drunk. Madam, you are ugly, but I shall be sober in the morning.
Change is the essence of life. Be willing to surrender what you are for what you could become.
From now on, ending a sentence with a preposition is something up with which I will not put.
He has all the virtues I dislike and none of the vices I admire.
It is a good thing for an uneducated man to read a book of quotations.
I cannot forecast to you the action of Russia. It is a riddle wrapped in a mystery inside an enigma.