Take account of yourselves ...

Take account of yourselves before you are brought to account.

Quotes from the same author

Taqwaa is not by praying all night and fasting all day but rather it is abiding by the commands of Allah and staying away from His prohibitions.
Do not accept gifts; [because] that is bribery.
If a sheep dies on the shore of the Euphrates I fear lest Allah ask me to account for it on the Day of Resurrection.
The wisest man is he who can account for his actions.
Take account of your deeds before they are taken account of.