If you hear a voice within you say "you cannot paint," then by all means paint and that voice will be silenced. — Vincent van Gogh. Dutch painter (1853–1890)
A great fire burns within me, but no one stops to warm themselves at it, and passers-by only see a wisp of smoke.
If one is master of one thing and understands one thing well, one has at the same time, insight into and understanding of many things.