Translation:

11. That ye believe in Allah and His Apostle and that ye strive (your utmost) in the Cause of Allah with your property and your persons: that will be best for you if ye but knew!

Notes (Tafseer)

5444. It would indeed be a great and wonderful bargain to give so little and get so much, if we only knew and understood the comparative value of things-the sacrifice of our fleeting advantages for forgiveness, the love of Allah, and eternal bliss.