[15] The poor Muslims with the Prophet (ﷺ). The influential leaders of Quraysh disdained sitting with them.
[16] Following vain desires is what leads people to stray.
[17] Keys of the Unseen, such as the knowledge of the Hour; sending down of rain; knowledge of what is in the wombs. No one knows what one will earn for tomorrow, and where one will die. See 31:34.
[18] The Preserved Tablet.