Cowards will be first in line to be sent to burn in hell.

Not some of them. All of them.

There's a very good reason for that.

Repent. Do right.

Rev 21:8

But the cowardly, the unbelieving, the vile, the murderers, the sexually immoral, those who practice magic arts, the idolaters and all liars—they will be consigned to the fiery lake of burning sulfur. This is the second death.