A lion is not afraid of any animal. If he is hungry, he'll go after almost anything. They knew they were righteous, and so they were bold and fearless as lions. Therefore we can be fearless, just like the lion. We as believers need to have some courage and daring upon the Word of God.
Boldness is something that is lacking among the average Christian today.
Most do not act like lions. They seem almost scared, sometimes, to let people know they are Christians. Many people have a wrong idea about this. Perhaps you did inside. No, not me, I won't deny you.