Mishkat al-Masabih 23 Medicine and Spells كتاب الطب والرقى 66

عَنِ ابْنِ عَبَّاسٍ قَالَ: كَانَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَتَفَاءَلُ وَلَا يَتَطَيَّرُ وَكَانَ يُحِبُّ الِاسْمَ الْحَسَنَ. رَوَاهُ فِي شَرْحِ السّنة

Ibn ‘Abbas told that God’s messenger took good omens but not evil ones, and that he liked a pleasing name. It is transmitted in Sharh as-sunna .