It is a mitzvah to say something in the name of the person who says it, and the one who steals the Torah does not violate the prohibition of doing so as a thief, but in the rulings it is recalled that the permission is only in saying something without the permission of the person saying it, but in the name of the person saying it, but he should not say it in his own name.
Sources: It is explained in Avot 55 MH8 and in GAM Megillah 15 AA that saying something in the name of the one who says it brings salvation to the world, and on the other hand, 1. in the supplement 2K 16 13 regarding a thief, if there is money in his hand, his friend said to him an oath that I do not know what you are It is said about this that one who quarrels with a thief hates his own soul, but he will hear and not tell (Proverbs 9:24), but he who sneaks behind is a friend and goes away and is different. On the one who accumulates and vindicates the many and credits himself and pays all that is in his hand, and is found, he shall pay seven times, etc.
And from M.M. it should be noted that the Shadakh [System 1 of the Kemag] 20 in the name of the Nubian model this permission is only if one says it in the name of his friend and not if one says it in one's own name, and in the same way the Shachak Gofia Yod Ramb Mag that is obligated to say in the name of Omro.
And here in the Avots and the Megillah it means that it is a compilation and is not an obligation, and 11 a dachal that is explained from his words that is not from himself does not pass the prohibition, and the compilation is when he interprets from one who heard, as it is proven in the way that is brought there that God in the name of Mordechai only because of this brought redemption to the world by bringing the heart of the hearer to the one who says From his name, and ei' in Tafa'i there is a letter abbreviated as meaning from his words this division.
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