He knows nothing and thinks he knows everything. That points clearly to a political career.
Progress is impossible without change, and those who cannot change their minds cannot change anything.
Beauty is all very well at first sight; but who ever looks at it when it has been in the house three days?
Patriotism is, fundamentally, a conviction that a particular country is the best in the world because you were born in it…
A life spent making mistakes is not only more honourable, but more useful than a life spent doing nothing.
Some men see things as they are and ask why. Others dream of things that never were and ask why not.
No man who is occupied in doing a very difficult thing, and doing it very well, ever loses his self-respect.