Do not put all your eggs in one basket.
If horses had controlled investment decisions, there would have been no auto industry.
As far as you are concerned, the stock market does not exist. Ignore it.
Time is the friend of the wonderful company, the enemy of the mediocre.
Don't pass up something that's attractive today because you think you will find something way more attractive tomorrow.
If you owe money, you can't pay them out. You just pay for everything, you do smart things, you eventually get very rich.