If an ignorant person is attracted by the things of the world, that is bad. But if a learned person is thus attracted, it is worse.
Cursed is the man who dies, but the evil done by him survives.
The more knowledge you have, the greater will be your fear of Allah.
Piety is the most solid goodness, and the vilest of what is evil is vice.
To fight against the infidels is Jihad; but to fight against your evil self is greater Jihad.
If you expect the blessings of God, be kind to His people.