High achievement always takes place in the framework of high expectation.
The world hates change, yet it is the only thing that has brought progress.
If a fellow wants to be nobody in the business world, let him neglect sending the mailman to somebody on his behalf.
An inventor is simply a fellow who doesn't take his education too seriously.
If I have had any success, it's due to luck, but I notice the harder I work, the luckier I get.
Failures, repeated failures, are sign-posts on the road to achievement. The only time you don't want to fail is the last time you try something (and it works).