^8-9 Dig a well—and fall into it! Demolish an old wall—and be bitten by a snake! When working in a quarry, stones will fall and crush you! There is risk in each stroke of your ax!

¹⁰ A dull ax requires great strength; be wise and sharpen the blade.

¹¹ When the horse is stolen, it is too late to lock the barn.^[a]