Authors:

...he who always hopes for the best becomes old, deceived by life, and he who is always prepared for the worst becomes old prematurely; but he who has faith, retains eternal youth.

Soren Kierkegaard (2005). “Fear and Trembling”, p.21, Penguin UK
...he who always hopes for the best becomes old, deceived by life, and he who is always prepared for the worst becomes old prematurely; but he who has faith, retains eternal youth.