We continue to think of new things in old ways.

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.

Partisanship is our great curse. We too readily assume that everything has two sides and that it is our duty to be on one or the other.

In its amplest meaning History includes every trace and vestige of everything that man has done or thought since first he appeared on the earth.

We like to continue to believe what we have been accustomed to accept as true, and the resentment aroused when doubt is cast upon any of our assumptions leads us to seek every manner of excuse for clinging to them. The result is that most of our so-called reasoning consists in finding arguments for going on believing as we already do.

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