Who said "Fear is the only enemy that truly cannot be defeated."?

This quote is attributed to Ikaris.

Fear is the only enemy that truly cannot be defeated. - Ikaris

"Fear is the only enemy that truly cannot be defeated."

Ikaris Fear

"We have watched and guided humanity for thousands of years."

"It is our duty to protect this world, no matter the cost."

"Strength is not measured by how hard you can fight, but by what you choose to protect."

"The universe demands sacrifice from those who would lead it."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."