You are only Invulnerable when you are in Fear - Suzanne Letourneau
When I hear music, I fear no danger. I am invulnerable. I see no foe. I am related to the earliest times, and to the latest. - Henry David Thoreau
If anybody tries to penetrate the past with the knife of the present will always act in vain. The past is invulnerable. Such attempts can only cause the present or the future to bleed." - Gregor Brand - Simon Schwartz
I am the happiest man alive. I have that in me that can convert poverty to riches, adversity to prosperity, and I am more invulnerable than Archilles; Fortune hath not one place to hit me. - Thomas Browne