I advise you with taqwaa of Allaah...

One of the righteous wrote to his believing brother:

I advise you with taqwaa of Allaah who knows your secrets and sees your open actions, so remember Allaah at every time of the night and day, and fear Allaah according to His nearness and the power He has over you; and know that He always sees you. And do not leave His Rule for another rule, nor His dominion for another dominion. So glorify Him by fearing Him immensely.”

From the Fruits of Taqwaa by Shaykh Ibn `Uthaymeen (rahimahullaah)

THE IMPORTANCE OF GOOD CHARACTER

Exclusive excerpt from the translator’s introduction to “Upright Moral Character” by Shaykh Ibn ‘Uthaymeen

In the Name of Allaah, the All-Compassionate, the Ever-Merciful.

All praise is due to Allaah, the Lord of all that exists, and may He raise the rank of His last Prophet and Messenger, Muhammad ibn 'Abdillaah, and that of his family and Companions, and may He grant them all peace.

Upright moral character is an integral part of the correct implementation of the Religion of Islaam.  In fact, it is so essential and important that the Messenger of Allaah (may Allaah raise his rank and grant him peace) said about it: