He who is alone is happy. Do good to all, like everyone, but do not love anyone. It is a bondage, and bondage brings only misery. Live alone in your mind - that is happiness. To have nobody to care for and never minding who cares for one is the way to be free.
There is nothing wrong with meditating just to meditate, in the same way that you listen to music just for the music. If you go to concerts to "get culture" or to improve your mind, you will sit there as deaf as a doorpost.
To create and to annihilate material substance, cause it to aggregate in forms according to his desire, would be the supreme manifestation of the power of Man's mind, his most complete triumph over the physical world.
This is some fellow,
Who having been prais'd for bluntness, doth affect
A saucy roughness and constrains the garb
Quite from his nature: he can't flatter, he!
An honest mind and plain,--he must speak truth!
And they will take it so; if not he's plain.
These kind of knaves I know, which in this plainness
Harbor more craft, and far corrupter ends,
Than twenty silly, ducking observants,
That stretch their duty nicely.