It's your thinking that decides whether you're going to succeed or fail.

None of our men are 'experts.' We have most unfortunately found it necessary to get rid of a man as soon as he thinks himself an expert because no one ever considers himself expert if he really knows his job... Thinking always ahead, thinking always of trying to do more, brings a state of mind in which nothing is impossible.

Economy has frequently nothing whatever to do with the amount of money being spent, but with the wisdom used in spending it.

Wars do not end wars any more than an extraordinarily large conflagration does away with the fire hazard.

Records can be destroyed if they do not suit the prejudices of ruling cliques, lost if they become incomprehensible, distorted if a copyist wishes to impose a new meaning upon them, misunderstood if we lack the information to interpret them. The past is like a huge library, mostly fiction.

A man who cannot think is not an educated man however many college degrees he may have acquired.

There are always two kinds of people in the world - those who pioneer and those who plod. The plodders always attack the pioneers. They say that the pioneers have gobbled up all the opportunity, when, as a plain matter of fact, the plodders would have nowhere to plod had not the pioneers first cleared the way.