Go forth to war, whether it be easy or difficult [for you], and strive hard in God's cause with your possessions and your lives: this is for your own good -if you but knew it!

Go ye forth, (whether equipped) lightly or heavily, and strive and struggle, with your goods and your persons, in the cause of God. That is best for you, if ye (but) knew.

Go forth, light-armed and heavy-armed, and strive with your wealth and your lives in the way of Allah! That is best for you if ye but knew.

Go forth, light and heavy, and strive hard in Allah's way with your wealth and your lives. This is better for you, if you know.

Go forth, whether light or heavy, and strive with your wealth and your lives in the cause of Allah . That is better for you, if you only knew.