The Cow - 2:178 Believers! Equality in killing is enjoined upon you. Free for free, slave for slave, woman for woman. But whoever is forgiven by the relatives of the deceased, then he must do what is fitting and pay the dowry well. This is a mitigation and mercy from your Lord. Then whoever transgresses after that, for him is a painful torment.
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The Cow/2:178 Believers! Equality in killing is enjoined upon you. Free for free, slave for slave, woman for woman. But whoever is forgiven by the relatives of the deceased, then he must do what is fitting and pay the dowry well. This is a mitigation and mercy from your Lord. Then whoever transgresses after that, for him is a painful torment.

The Table Spread/5:45 There We commanded them: We commanded them: Life for life, eye for eye, nose for nose, ear for ear, tooth for tooth and wounds for wounds. Whoever gives up this right, He will cover his sins. Those who do not judge by what Allah has revealed are wrongdoers.

The Night Journey/17:33 Do not kill unjustly a soul which Allah has forbidden. Whoever is killed unjustly, We have authorized his heirs. Let him not exceed the limit in killing out of revenge, for he has been helped