One of the scholars once said: I pondered over what wise men strive for, and found that their endeavor is all for the same target, even if their ways of seeking it are different. I found them all striving to demolish worry and grief from their lives; one by eating and drinking, one by trade and earning a living, one by marriage, one by listening to songs and delightful sounds, and one by entertainment and playing.
So I said: this endeavor is the endeavor of wise men, but not all the ways (taken by them) lead to it. Rather, most of them probably lead to the exact opposite of their endeavor. I didn't find any of these paths leading to the (intended) goal except the path of turning to Allaah, caring about Him, and preferring His pleasure over everything else. If the one who takes this path misses his share of this life, he has still triumphed by attaining the highest share with which their is no loss (i.e. the Hereafter); whoever attains it has attained everything, and whoever loses it has lost everything. And if he, on the other hand, also gets his share in this life, he will attain it in the most comfortable way.
The servant, thus, has no better path to follow, from the available paths, (other than the path of Allaah) that can take him to the (intended) pleasure, delight, and happiness. And with Allaah is success.*
* Ad-Daa' wad-Dawaa', p. 210, published by Dar Ibn al-Jawzee in Cairo.