Recite each of these from memory, in Arabic, then open it and check yourself. Say the narrator and the source book too.
Hadith 29: The path to Paradise Narrated by Muadh bin Jabal. It was related by at-Tirmidhi, who said it was a good and sound hadeeth.
Hadith 30: The limits set by Allah Narrated by Abu Tha’labah al-Kushanee — Jurthoom bin Nashir. A hasan hadeeth narrated by ad-Daraqutnee and others.
Hadith 31: True detachment from the world Narrated by Abu al-’Abbas Sahl bin Sa’ad as-Sa’idee. A hasan hadeeth related by Ibn Majah and others with good chains of authorities.