Sins have many side-effects. One of them is that they steal knowledge from you.

Speech remains as a slave to you, but the moment it leaves your mouth, you become its slave.

Happiness is attained by three things: being patient when tested, being thankful when receiving a blessing, and being repentant upon sinning.

The heart becomes sick, as the body becomes sick, and its remedy is al-Tawbah (repentance) and protection [from transgression]. It becomes rusty as a mirror becomes rusty, and its clarity is obtained by remembrance. It becomes naked as the body becomes naked, and its beautification is al-Taqwa. It becomes hungry and thirsty as the body becomes hungry, and its food and drink are knowledge, love, dependence, repentance and servitude.

Wasting time is worse than death, because death separates you from this world whereas wasting time separates you from Allah

Allah will never humiliate the one who takes his Lord as friend and patron.

Whoever mocks his brother for a sin they repented from will not die till he himself falls into the same sin.