Dale Carnegie

"My popularity, my happiness and sense of worth depend to no small extent upon my skill in dealing with people."

Habit comes of doing a thing repeatedly. The lower habits are acquired easily, the higher ones require deeper grooves if they are to persist.

thought–habit comes only with resolute practise;

consecutive thinking, by which we mean welding a number of separate thought–links into a chain that will hold. Take one link at a time, see that each naturally belongs with the ones you link to it, and remember that a single missing link means no chain.

Thinking is the most fascinating and exhilarating of all mental exercises.

result of your own earnestly–applied brain–energy, and you will gain a confidence in your ability to speak on that subject that nothing will be able to shake.

Don't give me the man who thinks he thinks,

Don't give me the man who thinks he knows,

But give me the man who knows he thinks,

And I have the man who knows he knows!"

Reading should entertain, give information, or stimulate thought.

Do not confine your reading to what you already know you will agree with. Opposition wakes one up.

Approach each subject with an open mind and—once sure that you have thought it out thoroughly and honestly