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.
My weaknesses... I wish I could come up with something. I'd probably have the same pause if you asked me what my strengths are. Maybe they're the same thing.
It will not be we who reach Alpha Centauri, and the other nearby stars. It will be a species very like us - but with more of our strengths and fewer of our weaknesses.
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.
God's word is:
'He who strives never perishes.'
I have implicit faith in that promise.
Though, therefore, from my weakness
I fail a thousand times, I shall not lose faith.
It is one of the great weaknesses of reasonable men and women that they imagine that projects which fly in the face of commonsense are not serious or being seriously undertaken.