If you are losing a tug-of-war with a tiger, give him the rope before he gets to your arm. You can always buy a new rope. – Max Gunther
Contemplative and bookish men must of necessity be more quarrelsome than others, because they contend not about matter of fact, nor can determine their controversies by any certain witnesses, nor judges. But as long as they go towards peace, that is Truth, it is no matter which way. – John Donne