Sa'eed bin Jubayr said:

Khashyah (awe of Allaah) is that you fear Allaah, the Exalted, until awe of Him comes in between you and your disobedience of Him [thereby preventing you from it].

Tahdheeb of al-Hilyah (2/104) through Hayaat al-Salaf of Ahmad al-Tayyaar.
Translated by Abu Iyaad (@abuiyaadsp)