Korteweg, his thesis advisor, had not been pleased with the more philosophical aspects of the thesis, and had even demanded that several parts of the original draft be cut from the final presentation.
Korteweg, ang kanyang tesis taga-payo, ay hindi na natutuwa sa mas pilosopiko aspeto ng tesis, at nagkaroon kahit hinihingi na ang ilang mga bahagi ng orihinal na draft ay hiwa mula sa huling pagtatanghal.