2 quotes from Sergey Brin et al. on the wall, 1998, newest first. Each one is verbatim and links to where it was said. Sources include Seventh International World Wide Web Conference (WWW7).
Sergey Brin and Lawrence Page, Stanford PhD students, wrote this in Appendix A, "Advertising and Mixed Motives", of their paper describing the Google prototype, presented in Brisbane in April 1998.
Sergey Brin and Lawrence Page, Stanford PhD students, wrote this in Appendix A, "Advertising and Mixed Motives", of their 1998 paper introducing the Google search engine prototype, presented at WWW7.