Harold Jeffreys Inspirational Quotes (5)

We have to come back to something like ordinary language after all when we want to talk about mathematics!

All suggested accounts of the origin of the solar system are subject to serious objections. The conclusion in the present state of the subject would be that the system cannot exist.

A formal and consistent theory of inductive processes cannot represent the operation of every human mind in detail it will represent an ideal mind, but it will help the actual mind to approximate that ideal.

Variation must be taken as random until there is positive evidence to the contrary.

The real difficulty about volcanism is not to see how it can start, but how it can stop.