that the Prophet (ﷺ) commented on: "Some of them We make more excellent than others to eat (13:4)." He said: "The Daqal, the Persian (referring to different kind of dates), the sweet, the bitter."
Jami` at-Tirmidhi Book 47, Hadith 170
← Previous Hadith "The Jews came to the Prophet (ﷺ) and said: 'O Abul-Qasim! Inform us about the thunder, what is it?' He said: 'An angel among the angels, who is responsible for the clouds. He has a piece of fire wherever that he drives the clouds wherever Allah wills.' They said: 'Then what is this noise we hear?' He said: 'It is him, striking the clouds when he drives them on, until it goes where it is ordered.' They said: 'You have told the truth.' They said: 'Then inform us about what Isra'il made unlawful for himself.' He said: 'He suffered from sciatica, and he could not find anything agreeable due to it (to consume) except for camel meat and its milk. So for that reason he made it unlawful.' They said: 'You have told the truth.'"

Jami` at-Tirmidhi Book 47, Hadith 169 Next Hadith → "The Messenger of Allah (ﷺ) was brought a dish with unripe dates on it. He said: The parable of a goodly word is that of a goodly tree, whose root is firmly fixed, and its branches (reach) to the sky (14:24 & 25).' And he said: 'It is the date-palm.' And the parable of an evil tree uprooted from the surface of the earth, having no stability (14:26). He said: 'It is the colocynth tree.'"

Jami` at-Tirmidhi Book 47, Hadith 171