[...] many [...] languages are not in the least averse to complex word-formations, but may on the contrary effect a synthesis that far surpasses the utmost that Greek and Sanskrit are capable of.
- Sapir (1921), a pag.65

Words and elements [...] once they are listed in a certain order [...] are attracted to each other in greater or in less degree. It is [...] this very greater or less that [...] leads to those firmly solidified groups of elements (radical element or elements plus one or more grammatical elements) that we have studied as complex words.
- Sapir (1921), a pag.111

Speech is thus constantly tightening and loosening its sequences. In its highly integrated forms [...] the 'energy' of sequence is largely locked up in complex word formations [...]
- Sapir (1921), a pag.112