D'una brúixola, vaig aprendre quan estava estudiant, que ... si se li indica com a veritable Nord on estàs parat, no et adverteix sobre els pantans deserts i abismes que trobaràs en el camí.
A compass, I learnt when I was surveying, it'll... it'll point you True North from where you're standing, but it's got no advice about the swamps and deserts and chasms that you'll encounter along the way.