Four things will shame the students of knowledge: Criticizing people, praising themselves, not teaching the knowledge,and not practicing what they know.
When people are proud of their speech, be proud of your silence.
You do not know what you will earn tomorrow.
O my son! The dunya (world) is a deep ocean in which many have drowned! Let your ship be taqwallah (fear of Allah), and load your ship with Iman-billah (believe in Allah), and let her sail be tawakkal (trust) on Allah! Insha'Allah you will survive then.