To become historically-minded is to be grown-up.

Curiosity is idle only to those who fail to realize that it may be a very rare and indispensable thing.

History ... may be regarded as an artificial extension and : broadening of our memories and may be used to overcome the natural bewilderment of all unfamiliar situations.

We continue to think of new things in old ways.

Each of us is great insofar as we perceive and act on the infinite possibilities which lie undiscovered and unrecognized about us.

Few of us take the pains to study the origin of our cherished convictions.

Most of our so-called reasoning consists in finding arguments for going on believing as we already do.