emotion and intellect...

...faith & reason, [are] at loggerheads. On the one side, [is] pale cast of rational thought, of logic suspended on a thin thread all too easily broken; on the other [is] the raging fury of passionately held irrational beliefs, reflected in the holocausts of past and present history.

(beautifully worded - a small nugget from the book - The Psychology of Technical Analysis).