Litany Against Fear
I must not fear.
Fear is the mind-killer.
I will face my fear.
I will let it pass through me.
When the fear has gone,
There shall be nothing.
Only I will remain.
Spannungsbogen
The Fremen were supreme in that quality the ancients called 'spannungsbogen' — which is the self-imposed delay between desire for a thing and the act of reaching out to grasp that thing.
— from The Wisdom of Muad'Dib by the Princess Irulan