These rules may seem simple enough, but it will require great morale and physical courage to adhere to them. But if carried out in the strict sense of the word it will surely lead to a greater success than could otherwise be attained.
That the primary effect of gene mutation may be as simple as the substitution of a single amino acid by another and may lead to profound secondary changes in protein structure and properties has recently been strongly indicated by the work of Ingram on hemoglobin.
A poem may be an instance of morality, of social conditions, of psychological history; it may instance all its qualities, but never one of them alone, nor any two or three; never less than all.
I am not ridiculing verbal mechanisms, dreams, or repressions as origins of poetry; all three of them and more besides may have a great deal to do with it.
