If the whole is to be Art, the parts must not try to be.
Where do the really best laughs come from? Terrific connections made intellectually, or terrific revelations made emotionally.
The only real mistake here is ignoring the inner voice.
Trust...trust your fellow actors to support you; trust them to come through if you lay something heavy on them; trust yourself.
No scene is ever about the words being spoken.
If we treat each other as if we are geniuses, poets and artists, we have a better chance of becoming that on stage.