If your knowledge teaches you not to rise above human weakness and misery and lead your fellow man on the right path, you are indeed a man of little worth and will remain such till Judgment Day.
If weakness may excuse, What murderer, what traitor, parricide, Incestuous, sacrilegious, but may plead it? All wickedness is weakness; that plea, therefore, With God or man will gain thee no remission.
The egotistical ambition to always want to earn more money harms both the company and the individual himself. That is the biggest weakness of many managers - the financial crisis has proven this.
Even to this day it is easier than it ought to be for me to get a rise out of an American by telling him something about himself which is equally true about every human being on the face of the globe. He at once resents this as a disparagement and an assertion on my part that people in other parts of the globe are not like that, and are loftily superior to such weaknesses.
I think that everyone has something about themselves that they feel is their weakness... their 'disability.' And I'm certain we all have one, because I think of a disability as being anything which undermines our belief and confidence in our own abilities.