You're going to church, on Sunday. (Sunday)
 There is no love in your heart, on Monday. (Monday)
 You are trying to show me that,
 You know yourself, yea-yeah.
Purify your heart, then you know yourself.
 Purify your heart, then you know yourself.

fool says in his heart, there is no God. (no God)
 But if that's your belief, my friend,
 It's too sad. (too sad)

 You're trying to show me that,
 You know yourself, yea-yeah.
 Purify your heart, then you know yourself.
 Purify your heart, then you know yourself.

 (..)

 fool says in his heart, there is no God. (no God)
 But if, that's your belief, my friend,
 I say that it's too sad. (too sad)

 You're trying to show me that,
 You know yourself, yea-yeah.
 You better purify your heart, then you know yourself.
 Purify your heart, then you know yourself.

 Purify your heart, then you know yourself.
 You better purify your heart,
 And then you know yourself, yea-yeah.