He fully realised the extent of his accomplishments as a researcher, teacher, writer, and founder of scientific groups, and he well understood his impact on mathematical education.
Siya ganap na realised ang lawak ng kanyang mga kabutihan bilang isang manaliksisk, guro, manunulat, at founder ng grupo ng pang-agham, at naintindihan niyang mabuti ang kanyang mga epekto sa matematika edukasyon.