In making observations be sure you are right and then look again.


Insect Life: An Introduction to Nature-study and a Guide for Teachers, Students, and Others, Part II, Chapter III (p. 323), D. Appleton & Co. 1898

John Henry Comstock Quotes

In making observations be sure you are right and then look again.

In making observations be sure you are right and then look again.

In making observations be sure you are right and then look again.

In making observations be sure you are right and then look again.