You might be surprised to learn just how beneficial it can be to take your usual run or walk on the sand rather than pounding the pavements. Not only does it provide optimum strengthening of the lower leg muscles, but it’s also easier on your joints and burns more calories than the equivalent exercise done on a hard surface.
Put on the whole armour of God, that ye may be able to stand against the wiles of the devil. For we wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in high places.
Spiritual Wrestlings 