The Prophet declared his Prophethood and proved it by presenting Qur'an and nearly 1,000 miracles. Their occurrence is as certain as his declaration of Prophethood. Another proof is that the Qur'an states that the most obstinate unbelievers charged him with sorcery. Unable to deny the miracles, they called them sorcery to satisfy themselves or to mislead their followers.

Second sign:

The Prophet declared his Prophethood and proved it by presenting Qur'an and nearly 1,000 miracles. Their occurrence is as certain as his declaration of Prophethood. Another proof is that the Qur'an states that the most obstinate unbelievers charged him with sorcery. Unable to deny the miracles, they called them sorcery to satisfy themselves or to mislead their followers.

Muhammad's miracles are so certain that the Traditionists confirmed and reported them unanimously. A miracle is the Creator of the universe's confirmation of his Prophethood and has the effect of: "You have spoken the truth." For example, if one claims in the ruler's presence that the ruler has appointed him to a particular position, the ruler's "Yes" is enough to prove the person's claim. Furthermore, if the ruler changes his usual practice and attitude at that person's request, this makes his claim firmer.

The Messenger claimed to be the Creator of the universe's envoy, and God, in turn, changed His unbroken order at his prayer and request so that the resulting miracles would prove his claim. Some of his hundreds of miracles are water running from his fingers, splitting the moon with a gesture of his finger, having a tree draw close to him to confirm and bear witness to him, and feeding 200 or 300 people with only enough food for 2 or 3 people.

However, the evidence of his truthfulness and his Prophethood's proofs are not restricted to his miracles. In fact, all of his deeds and acts, words and behavior, moral conduct and manners, as well as character and appearance, prove his truthfulness and seriousness. Indeed, such people as 'Abdullah ibn al‑Salam, a famous Jewish scholar of that time, believed in him at first sight, saying: "No lie can hide in this face, nor can any guile be found in it."

Profound scholars say that the evidences of his Prophethood and his miracles amount to about 1,000; in reality, however, this is only the beginning. Countless people have affirmed it in their own particular ways, and the Qur'an itself provides thousands of such proofs in addition to its own aspects of miraculousness. Since Prophethood is a fact, and more than 100,000 persons have claimed it and worked miracles, Muhammad's Prophethood is established more securely than any other Prophet's Prophethood. All evidence, qualities, and attributes related to the other Messengers' Prophethood are found in a more perfect and comprehensive manner in the person of Prophet Muhammad. Given this, he must be far more worthy to be chosen as a Prophet.