Long or deep
A long line is read as thorough, analytical thinking that likes to finish a thought.
Runs across the middle of the palm
The head line
Governs thinking style, concentration and how you make decisions.
Short or faint
A short line is read as quick, practical thinking that prefers to act.
Breaks and markings
A sloping line is associated with imagination, a straight one with practicality.
Worth being clear about
This line says nothing about intelligence, and any reader who claims otherwise is selling something.
Other lines
Life line
Vitality, physical constitution and major changes of circumstance.
Heart line
Emotional life, attachment and how you love.
Fate line
Career, direction and the degree to which life feels externally shaped.
Sun line
Recognition, creativity and public success.
Marriage lines
Significant partnerships.
Money triangle
The ability to hold on to resources.