Sunan At-Tirmidhi
Hadith #2451
Rabi'ah bin Yazid and 'Atiyyah bin Qais narrated from 'Atiyyah As-Sa'di - and he was one of the Companions of the Prophet (ﷺ) - that the Messenger of Allah (ﷺ) said:""The servant shall not reach the state of being among the Muttaqin until he leaves what there is no harm in out of caution for its harm