"The only limit to our realization of tomorrow is our doubts of today."
Generally speaking, envy, resentment, and self-pity are disastrous modes of thoughts.Self-pity gets fairly close to paranoia, and paranoia is one of the very hardest things to reverse.
The most successful products are those that anticipate needs people didn't know they had.
There are a lot of things that go into creating success. I don't like to do just the things I like to do. I like to do things that cause the company to succeed.
Confidence is key, but arrogance will destroy you.