Luke 5:12-16

The bottles referred to here were actually containers made from the hides of animals. When these wineskins were new, they were pliable and somewhat elastic. But when they became old, they were stiff and inflexible. If new wine was placed in old skins, the fermenting action of the wine would build up too much pressure for the old wineskins to accommodate, and they would burst.

Here in Luke 5:1-39, Jesus uses this to illustrate the clash...

Then the priest shall command to take for him who is to be cleansed two living and clean birds, cedar wood, scarlet, and hyssop. And the priest shall command that one of the birds be killed in an earthen vessel over running water. As for the living bird, he shall take it, the cedar wood and the scarlet and the hyssop, and dip them and the living bird in the blood of the bird that was killed over the running water. And he shall sprinkle it seven times on him who is to be cleansed from the...