Liberty is always dangerous, but it is the safest thing we have.

Every year the inventions of science weave more inextricably the web that binds man to man, group to group, nation to nation.

One could almost phrase the motto of our modern civilization thus: Science is my shepherd; I shall not want.

Christians are supposed not merely to endure change, nor even to profit by it, but to cause it.

A good sermon is an engineering operation by which a chasm is bridged so that the spiritual goods on one side-the 'unsearchable riches of Christ' - are actually transported into personal lives upon the other.

One never finds life worth living. One always has to make it work living.

Our power is not so much in us as through us.