Difficult Quote by Lisa Randall

Today, we know that time travel need not be confined to myths, science fiction, Hollywood movies, or even speculation by theoretical physicists. Time travel…

— Clifford A. Pickover

Even if it turns out that time travel is impossible, it is important that we understand why it is impossible.

— Stephen Hawking

Time travel is possible. Will explain later

— Jose Canseco

“Einstein once postulated that if you traveled at an enormous rate of speed, time would actually slow down relative to the world you left…

— Mitch Albom

Einstein theorized that time travel was possible, but he was looking at it as unidirectional, going forward. Traveling into the past is much more…

— Kelley Armstrong

The bottom line is that time travel is allowed by the laws of physics.

— Brian Greene

Once confined to fantasy and science fiction, time travel is now simply an engineering problem.

— Michio Kaku

Now to the term 'relativity theory.' I admit that it is unfortunate, and has given occasion to philosophical misunderstandings.

— Albert Einstein

“Even travelling at the speed of light it would take us years and years to get here." "Oh, we don´t travel at the speed…

— Madeleine L'Engle

The tragedy with velocity as the answer to complexity is that, after awhile, you cannot see or comprehend anything that is not traveling at…

— David Whyte

“In essence what relativity says is that space and time are not absolute but relative both to the observer and the thing being observed,…

— Bill Bryson

“This is a comment on the “science” in this science fiction novel. I’ve always been partial to science fiction that posed a “what if”…

— Laurence E. Dahners