In obedience to God's command to free His people from slavery in Egypt and guide them into the Promised Land, Moses became a leader. His alarm at the assignment was a natural reaction of the human mind when it feels inadequate to carry out God's plan of action.
But an unfoldment of God's nature as the great I am, ever present with him, assured Moses that when God appoints someone to carry out a task, He also gives the wisdom and strength needed to fulfill it. Indeed, though Moses' feeling of inadequacy persisted, God showed him, step by step, how he could exercise his spiritual authority and courage to free the people from Pharaoh's tyrannical rule.
When Pharaoh was finally persuaded to let the children of Israel set out toward freedom, there were still apparently insuperable difficulties to be overcome. In front of them was the sea and behind them the pursuing Egyptian armies sent by the inconstant Pharaoh. The people cried to Moses in their fear. Moses' confidence in God was secure as he assured them, "Fear ye not, stand still, and see the salvation of the Lord, which he will shew to you to day. . . . The Lord shall fight for you, and ye shall hold your peace."Ex. 14:13, 14. God instructed Moses to tell the people to go forward and to use his rod of authority to divide the waters. As Moses obeyed, a great wind made the sea dry land, and the children of Israel went safely to the other side.