Fudayl ibn ‘Iyaad 187 AH (May Allah have mercy on him) said,

عن الفضيل بن عياض قال:لَم يتزيّن الناس بشيء أفضل مِن الصدق و طلب الحلال.

“Mankind is not beautified by any thing more virtuous than having truthfulness and seeking halaal”

Source: Siyar ‘alaam an-Nubulaa 8/426