The peace of mind, is very essential for our health. So in that level, I think scientific finding, immense benefit to get our wellness and eventually conviction, peace of mind is not just a luxurious item, but peace of mind is actually very important for our survival, for our healthy survival.
Study and practice are both very important, but they must go hand in hand. Faith without knowledge is not sufficient. Faith needs to be supported by reason. However intellectual understanding that is not applied in practice is also of little use. Whatever we learn from study we need to apply sincerely in our daily lives.
The antidote to hatred in the heart, the source of violence, is tolerance. Tolerance is an important virtue of bodhisattvas [enlightened heroes and heroines] - it enables you to refrain from reacting angrily to the harm inflicted on you by others. You could call this practice "inner disarmament," in that a well-developed tolerance makes you free from the compulsion to counterattack. For the same reason, we also call tolerance the "best armor," since it protects you from being conquered by hatred itself.
Until you have the inner discipline that brings calmness of mind, external facilities and conditions will never bring the joy and happiness you seek. On the other hand, if you possess this inner quality, calmness of mind, a degree of stability within, even if you lack the various external factors that you would normally require to be happy, it will still be possible to live a happy and joyful life.
So the first step in seeking happiness is learning. We first have to learn how negative emotions and behaviors are harmful to us and how positive emotions are helpful.
If through practice of insight you develop a sense of ease, then time has no relevance. If you're miserable, time does matter. It's so unbearable, so enormous you want to get out of it as soon as possible.
A new way of thinking has become the necessary condition for responsible living and acting. If we maintain obsolete values and beliefs, a fragmented consciousness and self-centered spirit, we will continue to hold onto outdated goals and behaviors.
If you're looking for work and have a choice of a job, choose a job that allows the opportunity for some creativity, and for spending time with your family. Even if it means less pay.