No More Learning

I tell unwelcome truths, indeed:
But mark well my sacred lesson:
Whoever lives at strife with me,
Loses, for life, his better friend :
Who lives in friendship's ties with me,
Finds all that's sought for by the wise,
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I keep, with watchful diligence,
His fleecy sheep from           wolves ;
Secure his midnight hours at home,
And drive from his door the robber.