The real enemy of happiness is the mind's fixations and delusions... If you have the right mind, you can overcome anything - you can be happy, no matter what.
Bless people when they revile you. Think how much good they are doing by helping to stamp out the false ego. Hold fast to the real Self. Think only pure thoughts, and you will accomplish more than a regiment of mere preachers. Out of purity and silence comes the word of power.
The influence of the senses have in men overpowered the thought to the degree that the walls of time and space have come to look solid, real and insurmountable. .. Yet time and space are but inverse measures of the power of the mind. Man is capable of abolishing them both.
You want to have fun but you also want to work well. Sometimes I was quite happy at Ferrari, because we would have fun, but then they could not stop having fun and go back to the real work.