What does God say about strength?

Set your will on the strength, which is of God, and you will find, however hard the enemy may attack, however diligently it may tear to pieces that which has been put together with so much effort, however destructive these forces may be, the Great Constructor can repair all damage, and instead of the attack causing weakness to the foundation, by your very resistance, it will be made doubly strong.

Old Flanders | Théophile Marie François Lybaert (1848-1927) | Galerie Aaron