When Worlds Collide is a 1951 American Technicolor science fiction film from Paramount Pictures, produced by George Pal, directed by Rudolph Maté, and starring Richard Derr, Barbara Rush, Peter Hansen and John Hoyt. The film is based on the 1933 science fiction novel of the same name, co-written by Philip Wylie and Edwin Balmer. Wikipedia
Dr. Cole Hendron, Astronomer at Cosmos Observatory: (Presumably he wrote this line on a banner hanging over the Space Ark camp) Waste everything except TIME. Time is your most valuable commodity.