When a man sought knowledge, ...

When a man sought knowledge, it would not be long before it could be seen in his humbleness, his sight, upon his tongue and his hands, in his prayer, in his speech and in his disinterest (zuhd) in worldly allurements. And a man would acquire a portion of knowledge and put it into practice, and it would be better for him than the world and all it contains - if he owned it he would give it in exchange for the hereafter.
 Hasan of Basra

Quotes from the same author

The Righteous Salaf were as fearful of their good deeds being squandered, or not being accepted, as the present generation is certain that their neglect would be forgiven.
 Hasan of Basra