We used to think that if we knew one, we knew two, because one and one are two. We are finding that we must learn a great deal more about 'and'.

More Quotes by Arthur Eddington

Something unknown is doing we don't know what.

We have found a strange footprint on the shores of the unknown.

Who will observe the observers?

It is impossible to trap modern physics into predicting anything with perfect determinism because it deals with probabilities from the outset.

We have found that where science has progressed the farthest, the mind has but regained from nature that which the mind put into nature.

Probably the simplest hypothesis... is that there may be a slow process of annihilation of matter.