jˈɛhjuːdə ˈɪbən tˈɪbən, ɪn ɐ lˈɛɾɚ tʊ ˈæʃɚ, pɹˈeɪzd hɪz fˈɑːndnəs fɔːɹ sˈaɪəns, ænd ɪn hɪz tˈɛstəmənt ɛɡzˈɔːɹɾᵻd hɪz sˈʌn tə kˈʌltᵻvˌeɪt ˈæʃɚz fɹˈɛndʃɪp.
Yehudah Ibn Tibbon, in a letter to Asher, praised his fondness for science, and in his testament exhorted his son to cultivate Asher's friendship.