Do what you love to do and give it your very best. Whether it's business or baseball, or the theater, or any field. If you don't love what you're doing and you can't give it your best, get out of it. Life is too short. You'll be an old man before you know it.
There is nothing more difficult to take in hand, more perilous to conduct, or more uncertain in its success, than to take the lead in the introduction of a new order of things.
One problem with our current society is that we have an attitude towards education as if it is there to simply make you more clever, make you more ingenious... Even though our society does not emphasize this, the most important use of knowledge and education is to help us understand the importance of engaging in more wholesome actions and bringing about discipline within our minds. The proper utilization of our intelligence and knowledge is to effect changes from within to develop a good heart.
Today's scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality.