We need not worry about errors but we must try to learn from our errors.
Assumptions:
I. Errors may take place when we are carrying out certain work.
II. We are capable of benefitting from the past and improve our chances of error free work.
Give answer:
1. if only assumption I is implicit
2. if only assumption II is implicit
3. if both I and II are implicit
4.
if none of them are complete