Habits of thinking need not be forever. One of the most significant findings in psychology in the last twenty years is that individuals choose the way they think.
Martin SeligmanPositive thinking is the notion that if you think good thoughts, things will work out well. Optimism is the feeling of thinking things will be well and be hopeful.
Martin SeligmanNot only do happy people endure pain better and take more health and safety precautions when threatened, but positive emotions undo negative emotions.
Martin SeligmanThe good life is using your signature strengths every day to produce authentic happiness and abundant gratification.
Martin Seligman