it is useless
Examples
The value of old age depends upon the person who reaches it. To some men of early performance it is useless. To others, who are late to develop, it just enables them to finish the job.
When one is trying to do something beyond his known powers it is useless to seek the approval of friends. Friends are at their best in moments of defeat.
Why I came here, I know not; where I shall go it is useless to inquire - in the midst of myriads of the living and the dead worlds, stars, systems, infinity, why should I be anxious about an atom?
If you can not find peace within yourself, it is useless to look elsewhere.
When a man finds no peace within himself, it is useless to look for it elsewhere.
Never seek the wind in the field. It is useless to try and find what is gone.