Fresh air is good if you do not take too much of it; most of the achie >>
Stillness and steadiness of features are signal marks of good breeding >>
People who honestly mean to be true really contradict themselves much >>
It is theory that decides what can be observed. >>
Theoretical principals must sometimes give way for the sake of practic >>
In order to shake a hypothesis, it is sometimes not necessary to do an >>
Even for practical purposes theory generally turns out the most important thing in the end.