We must know, if only in order to learn not to know. The supreme lesson of human consciousness is to learn how not to know. That is, how not to interfere.
Herein is the evil of ignorance, that he who is neither good nor wise is nevertheless satisfied with himself: he had no desire for that of which he feels no want.
Words are things. You must be careful, careful about calling people out of their names, using racial pejoratives and sexual pejoratives and all that ignorance. Don’t do that. Some day we’ll be able to measure the power of words. I think they are things. They get on the walls. They get in your wallpaper. They get in your rugs, in your upholstery, and your clothes, and finally in to you.
So long as the millions live in hunger and ignorance, I hold every man a traitor who, having been educated at their expense, pays not the least heed to them.
Of all the frictional resistances, the one that most retards human movement is ignorance, what Buddha called 'the greatest evil in the world.' The friction which results from ignorance ... can be reduced only by the spread of knowledge and the unification of the heterogeneous elements of humanity. No effort could be better spent.
It is the inefficiency and sham of ... our schools ... that save us from being dashed on the rocks of false doctrine instead of drifting down the midstream of mere ignorance.