Doom comes about because of neglecting to evaluate one's self and because of just following one's whims.

A tear that runs down a believer's cheek is more beneficial than a thousand raindrops on the earth

We should know that Allah has created us to live an eternal life with no death, a life of pride and ease with no humiliation, a life of security with no fear, a life of richness with no poverty, a life of joy with no pain, a life of perfection with no flaws. Allah is testing us in this world with a life that will end in death, a life of pride that is accompanied by humiliation and degradation, a life that is tainted by fear, where joy and ease are mixed with sorrow and pain.

There is no captive in a worse state than the one who is captivated by his worst enemy (Shaytan) and there is no prison which is tighter than the prison of hawa (desire) and there is no bond/fetter more strong than the bond of desire. How, then, will a heart which is captivated, imprisoned and fettered travel unto Allah and the Home of the Hereafter?

O you who sold yourself for the sake of something that will cause you suffering and pain, and which will also lose its beauty, you sold the most precious item for the cheapest price, as if you neither knew the value of the goods nor the meanness of the prize. Wait until you come on the Day of Mutual Loss and Gain and you will discover the injustice of this contract.

One of the most beneficial of remedies is persisting in du’a.

As you can taste a pot full of food with a spoon likewise someone's tounge can tell you about his heart.