“Enjoyment appears at the boundary between boredom and anxiety, when the challenges are just balanced with the person's capacity to act.”

“Lincoln's ability to retain his emotional balance in such difficult situations was rooted in actute self-awareness and an enormous capacity to dispel anxiety in constructive ways.”

“One source of frustration in the workplace is the frequent mismatch between what people must do and whatpeople can do. When what they must do exceeds their capabilities, the result is anxiety. When what they must do falls short of their capabilities,the result is boredom. But when thematch is just right, the results can be glorious. This is the essence of flow.”

“The latin word responsibility reveals its true meaning: the capacity to respond, to act.- Over-anxiety ultimately banishes every trace of joy from life.”

“The melancholy can be black as suicide, gray as depression, white as emptiness and blue as mood. It may appear as fear, boredom, longing, fatigue, emptiness, anxiety, or a forced search for pleasure. However, there is always a lack or loss that lies beneath.”

“But just because a person goes to Harvard doesn't mean he's balanced when he graduates, and just because a dog knows how to obey doesn't mean he's balanced, either.”