24 Quotes by John D. Barrow

We can predict the present without having to know everything about the past.

When we try to observe things that are very small, the act of observation itself will significantly disturb the state we are seeking to measure.

Some things are as they are regardless of what they were.

Once upon a time there was no Time.

If all the stars and galaxies in the universe today were smoothed out into a uniform sea of atoms, there would only be about one atom in every cubic meter of space.

All our surest statements about the nature of the world are mathematical statements, yet we do not know what mathematics "is"... and so we find that we have adapted a religion strikingly similar to many traditional faiths. Change "mathematics" to "God" and little else might seem to change. The problem of human contact with some spiritual realm, of timelessness, of our inability to capture all with language and symbol-all have their counterparts in the quest for the nature of Platonic mathematics.

We are just strings of quarks living in a suburb of the local density maximum of the universe.

Once upon a time when there was no time.

There was no "before" the beginning of our universe, because once upon a time there was no time.