As-Saf 61:11

Tu/minoona billahiwarasoolihi watujahidoona fee sabeeli Allahi bi-amwalikumwaanfusikum thalikum khayrun lakum in kuntum taAAlamoon

[It is that] you believe in Allāh and His Messenger and strive in the cause of Allāh with your wealth and your lives. That is best for you, if you only knew.

That you believe in Allah and His Messenger, and carry out Jihād in His way with your riches and your lives. That is much better for you, if you but know.