You don't have to hold a position to be a leader.
Many people are busy trying to find better ways of doing things that should not have to be done at all. There is no progress in merely finding a better way to do a useless thing.
The farther you look back, the farther you can look ahead.
There is no failure except failure to serve one's purpose.
Thinking is hard work. That's why there are so few people doing it.
There is no man living that can not do more than he thinks he can.