to the best of (one's) belief
As far as one is aware; according to one's genuine knowledge or opinion. The shopkeeper assured investigators that, to the best of his belief, he had not seen the suspect pass through that morning. To the best of my belief, we should be done with the seminar around lunchtime.
to the best of (one's) knowledge
As far as one is aware; according to one's genuine knowledge or opinion. The shopkeeper assured investigators that, to the best of his knowledge, he had not seen the suspect pass through that morning. To the best of my knowledge, we should be done with the seminar around lunchtime.