One can succeed at almost anything for which he has enthusiasm.

People succeed at just about anything they're genuinely enthusiastic about.

At the end of every day, having a clientele that speaks well of you, that's the largest source of business. I don't care what kind of business you're in. Clients referring us to their friends or relatives is so much more powerful than any advertising we could ever do.

Most of the mutual fund investments I have are index funds, approximately 75%.

I have yet to find the man, however exalted his station, who did not do better work and put forth greater effort under a spirit of approval than under a spirit of criticism.

I quickly learned that if I kept at it and plowed right through the rejections I would eventually get somebody to buy my wares.

I did as much as I could: raising chickens, pushing an ice-cream cart, bagging walnuts, driving a tractor on a beet farm, working on the railroad. I think this eclectic career helped me a lot in life.