ui 
" The men who begin with speculation and end with facts begin at the wrong 
end; the firmest materials should be in the foundation." — Sir Humphry Davy. 
" The crust of the earth is a great cemetery, where the rocks are tombstones on 
which the buried dead have written their own epitaphs." — Agassiz. 
APR 14194? CrfWetf 1** 
