“He considered it permissible, indeed even all but indispensable, to entertain, behind the back of his Edith, whom he couldn't break through to or perhaps never wanted to break through to, certain minor enrapturements, secondary belles, as it were, insignificant wiles with gentle smiles, so as to prevent his becoming, for instance, sentimental, which he would have found distasteful, and which in point of fact would have been just that. Unfaithfulness is morally far more valuable than sentimental clinging and fidelity. That ought to be at least a little clear to even the biggest lump.”
―
Robert Walser,
The Robber
