He had heard people speak contemptuously of money:

He had heard people speak contemptuously of money: he wondered if they had ever tried to do without it.

Gary Zukav (as quoted in HeartMath Discovery Program)
If your thoughts are thoughts that draw low-frequency energy current to you, your physical and emotional attitudes will deteriorate, and emotional or physical disease will follow, whereas thoughts that draw high-frequency energy current to you create physical and emotional health.