Dirac himself told the reason of why he didn't talk much differently: Wigner: How much did you talk to your parents? Dirac: Very little. My father made the

Dirac himself told the reason of why he didn't talk much differently: Wigner: How much did you talk to your parents? Dirac: Very little. My father made the rule that I should only talk to him in French. He thought it would be good for me to learn French in that way. Since I found that I couldn’t express myself in French, it was better for me to stay silent than to talk in English. Source: https://www.aip.org/history-programs/niels-bohr-library/oral-histories/4575-1 https://www.aip.org/history-programs/niels-bohr-library/oral...