Biblical References
Sparrows/Hairs Numbered.

Matthew 10

28: And fear not them which kill the body, but are not able to kill the soul: but rather fear him which is able to destroy both soul and body in hell.

29: Are not two sparrows sold for a farthing? and one of them shall not fall on the ground without your Father.

30: But the very hairs of your head are all numbered.

31: Fear ye not therefore, ye are of more value than many sparrows.

Luke 12

6: Are not five sparrows sold for two farthings, and not one of them is forgotten before God?

7: But even the very hairs of your head are all numbered. Fear not therefore: ye are of more value than many sparrows.