Reference for Moed Katan 42:11
אמר רב אידי בר אבין הוא שואל בשלום אחרים שאחרים שרויין בשלום אחרים אין שואלין בשלומו שהוא אינו שרוי בשלום
Some contrasted this statement with the following: 'One who meets his fellow mourner within thirty days, tenders him [words of] consolation but enquires not about his peace; after the thirty days he enquires about his peace, but tenders him not [words of] consolation.<span class="x" onmousemove="('comment',' Here ends the part that causes difficulty. The attempted reply follows later after the conclusion of the whole quotation.');"><sup>14</sup></span> If his [friend's] wife had died and he married another [formally],<span class="x" onmousemove="('comment',' That is by betrothal within the thirty days of mourning: this is permitted for the sake of little children, left motherless; often it is the deceased wife's sister. He may thus marry her formally but is not to live with her as man and] wife till after the period of mourning is over. Generally a widower should wait till after the three Festivals - Passover, Weeks and Tabernacles have passed, before he marries again. Cf. infra, 23a.');"><sup>15</sup></span>