Withoutfacts,wecan'tformaworthwhileopinionforweneedtohavefactuaWithoutfacts,wecan'tformaworthwhileopinionforweneedtohavefactualknowledgeuponwhichtobaseourthinking.看不懂这这句uponwhichtobaseourthinkingbase以

　　Withoutfacts,wecan'tformaworthwhileopinionforweneedtohavefactua

　　Withoutfacts,wecan'tformaworthwhileopinionforweneedtohavefactualknowledgeuponwhichtobaseourthinking.

　　看不懂这这句uponwhichtobaseourthinking

　　base以...做基础，以我们的思想做基础？翻译过来不对头

　　baseupon根据；以……基础

　　这句可以怎么改