'Strength' in the Bible

And the Lord is thundering before his forces; for very great is his army; for he is strong who gives effect to his word: for the day of the Lord is great and greatly to be feared, and who has strength against it?

Have no fear, you beasts of the field, for the grass-lands of the waste are becoming green, for the trees are producing fruit, the fig-tree and the vine give out their strength.