It is true that my parents were worried because I began to speak fairly late, so that they even consulted a doctor. I can't say how old I was - but surely not less than three.
I was so thankful that my parents trusted me enough and had enough faith in my abilities to let me follow my passion and try to do something great, even if I might fail.
The nature of the infant is not just a new permutation-and-combination of elements contained in the natures of the parents. There is in the nature of the infant that which is utterly unknown in the natures of the parents.