"It is in vain to expect our prayers to be heard.

It is vain to expect our prayers to be heard if we do not strive as well as pray.
It is vain to expect our prayers to be heard if we do not strive as well as pray.
It is vain to expect our prayers to be heard if we do not strive as well as pray.
It is vain to expect our prayers to be heard if we do not strive as well as pray.