What is Sacrifice?

Holy Qur’an 22:37
لَن يَنَالَ اللَّـهَ لُحُومُهَا وَلَا دِمَاؤُهَا وَلَـٰكِن يَنَالُهُ التَّقْوَىٰ مِنكُمْ ۚ كَذَٰلِكَ سَخَّرَهَا لَكُمْ لِتُكَبِّرُوا اللَّـهَ عَلَىٰ مَا هَدَاكُمْ ۗ وَبَشِّرِ الْمُحْسِنِينَ

Ayat : “It is not their meat, nor their blood, that reaches God, It is their piety that reaches God”

Bukhari

Hadith: Prophet Muhammad (Pbuh) said: “On the 10th of Dhu’l-Hijjah, there is no better act in the view of Allah than shedding the blood (of slaughtered animals). And verily sacrifice earns the approbation of Allah even before the drop of blood (of the slaughtered animal) falls on the ground. Hence you should offer it in good spirit. For every hair of the sacrificial animal, there is a blessing.”