We excuse our sloth under the pretext of difficulty. Quintilian
Sloth, not ill-will, makes me unjust. Mason Cooley
Thou seest how sloth wastes the sluggish body, as water is corrupted unless it moves. Ovid
Sloth like rust, consumes faster than labor wears, while the used key is always bright. Benjamin Franklin
Diligence overcomes difficulties, sloth makes them. Benjamin Franklin
That destructive siren, sloth, is ever to be avoided. Horace.