(noun) A defect or failing; moral or spiritual degeneracy.
"The lack of power to take joy in outdoor nature is as real a misfortune as the lack of power to take joy in books."
"Growth is no longer blame others for your lack of knowledge."
"The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack of will."
"Confidence is contagious. So is lack of confidence."
"Be content with what you have; rejoice in the way things are. When you realize there is nothing lacking, the whole world belongs to you."
"If you ever get down on yourself or lack confidence, take a step back and look at your dreams, focus on what it is that you want."
"We suffer a lot the few things we lack and we enjoy too little the many things we have."
"If we lack confidence, we may dislike people who are bold and courageous because they remind us of our shortcomings."
"The trouble with her is that she lacks the power of conversation but not the power of speech."
"Lack of activity destroys the good condition of every human being."
"Lack of execution is the only barrier on the road to success."
"Most people fail, not because of lack of desire, but, because of lack of commitment."