The message may even be an original saying written by a member of the family.
格言也可能是家庭某位成员写下来的新颖奇特的有独创性的见解。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。