A subtle thought that is in error may yet give rise to fruitful inquiry that can establish truths of great value. Isaac Asimov
He used to say that it was better to have one friend of great value than many friends who were good for nothing. Diogenes Laërtius
I really want be of great value for the team. Ruud van Nistelrooy
Useful for physicians who wish to understand alcoholism and the recovery process, and to gain anecdotal evidence of this process, which is presented by using the words of recovering alcoholics....Can be of great value to those many physicians faced with individual patients who are drinking too much. Arnold M. Ludwig
Where there is no bridge the smallest plank is of great value. Hungarian Proverb
Among the ignorant a little knowledge is of great value. Kashmir Proverb