If you are distressed by anything external, the pain isnot due to the thing itself but to your own estimate of it; and this you havethe power to revoke at any moment.
People whoare too concerned with how well they are doing will be less successful andfeel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation, or between extrinsicand intrinsic motivation...
We cannot always control our thoughts, but we can control our words, and repetitionimpresses the subconscious, and we are then master of the situation.