True enjoyment comes from activity of the mind and exercise of the body; the two are ever united.
Art is the imposing of a pattern on experience, and our aesthetic enjoyment is recognition of the pattern.
One of the key elements of human behavior is, humans have a greater fear of loss than enjoyment of success. All the academic studies will show you that the fear of loss of capital is far greater than the enjoyment of gains.
The joy of life consists in the exercise of one's energies, continual growth, constant change, the enjoyment of every new experience. To stop means simply to die. The eternal mistake of mankind is to set up an attainable ideal.
I think I mainly climb mountains because I get a great deal of enjoyment out of it. I never attempt to analyze these things too thoroughly, but I think that all mountaineers do get a great deal of satisfaction out of overcoming some challenge which they think is very difficult for them, or which perhaps may be a little dangerous.