Books are standing counselors and preachers, always at hand, and always disinterested; having this advantage over oral instructors that they are ready to repeat their lessons as often as we please.
If you treat with courtesy your equal, who is privileged to resent an impertinence, how much more cautious should you be to your dependents, from whom you demand a respectful demeanor.
From year to year, and from age to age, we see [biologists] at work, adding no doubt much to the unknown, and advancing many important interests, but, at the same time, doing little for the establishment of comprehensive views of nature. Experiments ...
