Reference for Shabbat 65:9
מאי ועוד ידו נטויה א"ר חנן בר רבא הכל יודעין כלה למה נכנסה לחופה אלא כל המנבל פיו אפי' חותמין עליו גזר דין של שבעים שנה לטובה הופכין עליו לרעה אמר רבה בר שילא אמר רב חסדא כל המנבל את פיו מעמיקין לו גיהנם שנאמר (משלי כב, יד) שוחה עמוקה פי זרות רב נחמן בר יצחק אמר אף שומע ושותק שנאמר (משלי כב, יד) זעום ה' יפול שם
As a punishment for obscenity,<span class="x" onmousemove="('comment',' Lit., 'folly of the mouth'. ');"><sup>33</sup></span> troubles multiply, cruel decrees are proclaimed afresh, the youth of Israel's enemies<span class="x" onmousemove="('comment',' A euphemism for the youth of Israel. It was held inauspicious even merely to express a possible mishap, on the score of 'open not thy mouth to Satan'. ');"><sup>34</sup></span> die, and the fatherless and widows cry out and are not answered; for it is said, Therefore shall the Lord not rejoice over the young men, neither shall he have compassion over their fatherless and their widows: for every one is profane and an evil-doer, and every mouth speaketh folly. For all is his anger is not turned away, but his hand is stretched out still.<span class="x" onmousemove="('comment',' Isa. IX, 16. ');"><sup>35</sup></span> What is meant by, 'but his hand is stretched out still'? — Said R. Hanan b. Rabbah: All know for what purpose a bride enters the bridal canopy, yet against whomsoever who speaks obscenely [thereof], even if a sentence of seventy years' happiness had been sealed for him,<span class="x" onmousemove="('comment',' This derives from the idea that there is a book of Life, in which man's destiny is recorded; cf. Ned., Sonc. ed., p. 62, n. 7. ');"><sup>36</sup></span>