Pride

Riches made Nephites proud, and they judged themselves by the riches they obtained.
Pride can destroy one's soul.
Whoredoms more serious than pride.
One man's experience with battling his own pride in the management of his business.
"We would say, beware of pride also; for well and truly hath the wise man said, thaty pride goeth before destruction, and a haughty spirit before a fall. And again, outward appearance is not always a criterion by which to judge our fellow man; but the lips betray the haughty and overbearing imaginations of the heart; by his words and his deeds let him be judged."
Blog reporting on results of study showing that pride undermines self-discipline/willpower.

Notes

An older element of the group which became the 7 Deadly Sins, Vainglory, (unjustified boasting) was combined with Pride.

Cross-References