Many undoubtedly owe their good fortune to the circumstance that they possess a pleasing smile with which they win hearts. Yet these hearts would do better to beware and to learn from Hamlet's tables that one may smile, and smile, and be a villain.
It is not virtue, wisdom, valour, wit,
Strength, comeliness of shape, or amplest merit,
That woman's love can win, or long inherit;
But what it is, hard is to say,
Harder to hit.
When the principles that run against your deepest convictions begin to win the day, then the battle is your calling, and peace has become sin. You must at the price of dearest peace lay your convictions bare before friend and enemy with all the fire of your faith.