What substitute for it is there, or ever was there, amongst any nation under the sun?
What would you like to see take its place?
Learn to box, then, as you learn to play cricket and football.

Not one of you will be the worse, but very much the better, for learning to box well.

Should you never have to use it in earnest, there's no exercise in the world so good for the temper and for the muscles of the back and legs.
As to fighting, keep out of it if you can, by all means.

When the time comes, if it ever should, that you have to say "Yes" or "No" to a challenge to fight, say "No" if you can--only take care you make it clear to yourselves why you say "No." It's a proof of the highest courage, if done from true Christian motives.

It's quite right and justifiable, if done from a simple aversion to physical pain and danger.
But don't say "No" because you fear a licking, and say or think it's because you fear God, for that's neither Christian nor honest.