# The words of wise people ... taught by one shepherd

The writer speaks of the teacher as a shepherd who uses his tools to lead his flock.

# The words of wise people are like goads

"Wise people encourage people to act, like a sharp stick encourages an animal to move"

# Like nails driven deeply are the words of the masters in collections of their proverbs

"Like you can depend on a nail that a person drives firmly into a piece of wood, so you can depend on the words of the masters in collections of their proverbs"

# the words of the masters in collections of their proverbs

"the wise words collected in their proverbs" or "the sayings of the wise"

# which are taught by one shepherd

"which one shepherd teaches"