in existence

Also found in: Idioms, Wikipedia.
References in classic literature ?
I think that what has permanent value in the outlook of the behaviourists is the feeling that physics is the most fundamental science at present in existence.
Swear to me that while it is in existence you will not remarry.
What is unique to the New Testament is that there are 24,000 manuscript copies in existence.
Two of the heists included the most valuable Vermeer in existence.