Napoleon Hill practiced and taught emotional control, seeing it as one of the keys to a pleasing and attractive personality.

He taught, feelings drive and hurl us...either up or down. It is a matter of self-control, actually - self-control over one's mind. It is as simple as accepting or rejecting emotions as they 'hit you'. It is as difficult as accepting or rejecting emotions as they 'hit you'. 

Self-control: simple and difficult.

Difficult because, when it comes to actions and habits, emotions play such a major role.

As a starting point, Napoleon Hill defined 7 positive emotions and 7 negative emotions.

 The 7 Positive Emotions

Love

Sex

Hope

Faith

Sympathy

Optimism

Loyalty

The 7 Negative Emotions

Fear^*

Hatred

Anger

Greed

Jealousy

Revenge

Superstition

Footnote

Napoleon Hill defined 7 Fears:

• Fear of Poverty
• Fear of Criticism
• Fear of Ill Health
• Fear of Loss of Love
• Fear of Old Age
• Fear of Death
• Fear of Loss of Liberty [he added this fear to the original 6 later in his life]