Ichthus / Fish
Ichthus was the symbol 2000 years ago to let other christians know that you are a christian. Every letter of Ichthus is a Greek word:. Iesous= Jesus, CHristos= Christ, Theou= God's, Uios= Son, Soter= Savior
The fish: Matthew 14:19 says:
And he commanded the multitude to sit down on the grass, and took the five loaves, and the two fishes, and looking up to heaven, he blessed, and brake, and gave the loaves to his disciples, and the disciples to the multitude.
Matthew 7:8-10 says:
8 For every one that asketh receiveth; and he that seeketh findeth; and to him that knocketh it shall be opened. 9 Or what man is there of you, whom if his son ask bread, will he give him a stone? 10 Or if he ask a fish, will he give him a serpent?
Matthew 4:19 says: And he saith unto them, Follow me, and I will make you fishers of men.