I believe that the mind can be permanently profaned by the habit of attending to trivial things.

Death by Trivial Pursuits

He who climbs upon the highest mountains laughs at all tragedies, real or imaginary.

What dire offence from am'rous causes springs,
What mighty contests rise from trivial things,...

Explore your higher latitudes . . . be a Columbus to whole new continents and worlds within you, open new channels, not of trade but of thought.

We do not enjoy poetry unless we know it to be poetry.