Why did Ramesses II make so many colossal statues of himself?

Secrets of the Pharaohs of Egypt
Ramesses II, commonly known as Ramesses the Great, was the third pharaoh of the Nineteenth Dynasty of Egypt. Along with Thutmose III, he is often regarded as the greatest, most celebrated, and most powerful pharaoh of the New Kingdom, itself the most powerful period of Ancient Egypt

What motivates a ruler to create a statue of himself? Or a towering statue of himself? Or dozens of towering statues of himself? In this Civilisations clip from BBC Two, English scholar Mary Beard discusses the legacy of Ramesses the Great (ca 1303–ca 1213 B.C.), the third pharaoh of the Nineteenth Dynasty of Egypt.

“He was the pharaoh who invested more in his image than any other and his figure is found all over Egypt but, by far, the most imposing and memorable are these great colossal statues that stand guard at his temple in Thebes…”