Good thinking and accurate perceptions

We have our second transformation meeting coming up.  The theme is renewal.  In preparation, I was looking to confirm the author of the quote that "if we think the way we want to feel we will eventually feel the way we think" and I came accrossed the following quote by John Ortberg, "Over the long haul, good thinking, accurate perceptions, healthy emotions, wholesome desires, honorable intentions- cannot produce bad results; bad thinking cannot produce good results." If You Want to Walk on Water You Have to Get Our of the Boat