All human beings have an innate desire to overcome suffering, to find happiness. Training the mind to think differently, through meditation, is one important way to avoid suffering and be happy.
The first thing to realize in meditation is that there is no authority, that the mind must be completely free to examine, to observe, to learn. And so there is no following, no accepting, no obedience.
If your mind is happy then you are happy anywhere you go.
When wisdom awakens within you, you will see Truth wherever you look.
Truth is all there is.
It's like when you learned how to read, you can then read anywhere you go.
Meditation is like a single log of wood. Insight and investigation are one end of the log; calm and concentration are the other end. If you lift up the whole log, both sides come up at once. Which is concentration and which is insight? Just this mind.
In the Buddha's life story we see the three stages of practice: Morality comes first, then concentrated meditation, and then wisdom. And we see that the path takes time.
If you are a meditator, as your meditation goes on becoming more and more luminous, your intelligence will be growing to the last breath of your life. Not only that, even after the last breath your intelligence will continue to grow - because you are not going to die, only your body will be dying. And the body has nothing to do with intelligence, mind has nothing to do with intelligence. Intelligence is the quality of your awareness - more aware, more intelligent. And if you are totally aware, you are as intelligent as this whole existence is.