Why infant baptism?

Since the scriptures,in short Jesus said that children are pure in their heart,why then do we catholics baptise them?

The following links should assist you in better understanding the Catholic Church’s teaching on baptizing infants. If you have any further questions or concerns that are not answered by these links, please contact Catholic Answers directly.
Recommended Reading:

]Infant Baptism
]To Explain Infant Baptism You Must Explain Original Sin
]Early Teachings of Infant Baptism
]If a baby dies before it’s born what happens?
]Baptism Immersion Only
]**Baptismal Grace (Fathers)

]**Born Again in Baptism (Fathers)

]**Trinitarian_Baptism (Fathers)
]**Necessity of Baptism (Fathers)**

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