What, then, is it? Truly religion is the cultivation of the truth, but superstition of that which is false. And it makes the entire difference what you worship, not how you worship, or what prayer you offer. But because the worshippers of the gods imagine themselves to be religious, though they are superstitious, they are neither able to distinguish religion from superstition, nor to express the meaning of the names. We have said that the name of religion is derived from the bond of piety, because God has tied man to Himself, and bound him by piety; for we must serve Him as a master, and be obedient to Him as a father. And therefore Lucretius better explained this name, who says that He loosens the knots of superstitions. But they are called superstitious, not who wish their children to survive them, for we all wish this; but either those who reverence the surviving memory of the dead, or those who, surviving their parents, reverenced their images at their houses as household gods. For those who assumed to themselves new rites, that they might honour the dead as gods, whom they supposed to be taken from men and received into heaven, they called superstitious. But those who worshipped the public and ancient gods they named religious. From which Virgil says:—