Full Idea
It would be shameful indeed to say that wisdom and knowledge are anything but the most powerful forces in human activity.
Gist of Idea
The most important things in life are wisdom and knowledge
Source
Plato (Protagoras [c.391 BCE], 352d)
Book Reference
Plato: 'Complete Works', ed/tr. Cooper,John M. [Hackett 1997], p.782
A Reaction
He lumps wisdom and knowledge together, and I think we can take 'knowledge' to mean something like understanding, because obviously mere atomistic propositional knowledge can be utterly trivial.