Translations
Desire without knowledge is a dangerous thing — the soul that acts without understanding will only stumble.
Zeal without knowledge is not good for the nephesh — and one who rushes on his feet goes astray.
Also, that the soul be without knowledge, it is not good; and he that hasteth with his feet sinneth.
Even zeal is no good without knowledge, and he who hurries his footsteps misses the mark.