bound to (See usage note in must.)
(only with a bare infinitive) Indicates something which cannot be avoided.
The leaking fuel tank was bound to explode sooner or later.
I am bound to tell what I am told, but not in every case to believe it. Herodotus
Surplus wealth is a sacred trust which its possessor is bound to administer in his lifetime for the good of the community. Andrew Carnegie
I am not bound to win, but I am bound to be true. I am not bound to succeed but I am bound to live the best life that I have. I must stand with anybody that stands right and part from him when he goes wrong. Abraham Lincoln
Talk of the Devil, and he is bound to appear. Dutch Proverb
When one is taking a chicken from its roost, the hen is bound to attack with at least its claws. Nigerian Proverb
Who handles water is bound to get wet. Estonian Proverb