“If opportunity doesn’t knock, build a door.”

The zipper displaces the button and a man lacks just that much time to think while dressing at dawn, a philosophical hour, and thus a melancholy hour.

It ought to be remembered that there is nothing more difficult to take in hand, more perilous to conduct, or more uncertain in its success, than to take the lead in the introduction of a new order of things. Because the innovator has for enemies all those who have done well under the old conditions, and lukewarm defenders in those who may do well under the new. This coolness arises partly from fear of the opponents, who have the laws on their side, and partly from the incredulity of men, who do not readily believe in new things until they have had a long experience of them.

History is filled with brilliant people who wanted to fix things and just made them worse.

People think focus means saying yes to the thing you've got to focus on. But that's not what it means at all. It means saying no to the hundred other good ideas that there are. You have to pick carefully. I'm actually as proud of the things we haven't done as the things I have done. Innovation is saying no to 1,000 things.

Musical innovation is full of danger to the State, for when modes of music change, the fundamental laws of the State always change with them.

There are not more than five musical notes, yet the combinations of these five give rise to more melodies than can ever be heard.

Our wretched species is so made that those who walk on the well-trodden path always throw stones at those who are showing a new road.

Politics determine who has the power, not who has the truth.