"While the market is going up GO LONG until there is...

"While the market is going up GO LONG until there is confirmation otherwise, use risk management and forget your emotions/ego"

"While the market is going down GO SHORT until there is confirmation otherwise, use risk management and forget your emotions/ego"

Fixed it a little but you are on the right track.

A couple of other rules I live by.

Trade your own idea's, because they are the ones you understand.

Never trade sleepy, drunk, guru's newsletter's, illiquid markets, tips, without stops/targets or without a plan.