All writing is presumption, of course, since no one knows what it is like to be another human being.
I wanted to use what I was, to be what I was born to be - not to have a 'career', but to be that straightforward obvious unmistakable animal, a writer.
Profound subject matter can be encompassed in small space - for proof, look at any sonnet by Shakespeare!
In books, as in life, there are no second chances. On second thought: it's the next work, still to be written, that offers the second chance.
An article can be timely, topical, engaged in the issues and personalities of the moment; it is likely to be stale within the month. In five years, it may have acquired the quaint aura of a rotary phone. An article is usually Siamese-twinned to its date of birth.
I don't agree with the sentiment 'write what you know.'... I think one should write what one doesn't know. The world is bigger and wider and more complex than our small subjective selves. One should prod, goad the imagination.