Full Idea
Not only the present but also the past exist, but the future (so long as it is the future) does not.
Gist of Idea
The present and past exist, but the future does not
Source
report of C.D. Broad (Scientific Thought [1923]) by Michael Dummett - Thought and Reality 1
Book Reference
Dummett,Michael: 'Thought and Reality (Gifford Lectures)' [OUP 2006], p.1
A Reaction
This is quite appealing, and seems right if you believe that every truth has a truthmaker, and that there are no truths about the future. And yet the whole misery of people dying is that they cease to exist.