He knows nothing and thinks he knows everything. That points clearly to a political career.
The moment we want to believe something, we suddenly see all the arguments for it, and become blind to the arguments against it.
Progress is impossible without change, and those who cannot change their minds cannot change anything.
Success does not consist in never making mistakes but in never making the same one a second time.
Beauty is all very well at first sight; but who ever looks at it when it has been in the house three days?
Marriage is an alliance entered into by a man who can't sleep with the window shut, and a woman who can't sleep with the window open.
No man who is occupied in doing a very difficult thing, and doing it very well, ever loses his self-respect.