In the pursuit of truth we must beware of being misled by terms which we do not rightly understand. That is the chief point. Almost all philosophers utter the caution; few observe it.
… we ought to.
Abstract terms (however useful they may be in argument) should be discarded in meditation, and the mind should be fixed on the particular and the concrete, that is, on the things themselves.
Few men think; yet all have opinions.
Если дерево упадет в лесу, а рядом никого нет, чтобы это услышать, издаст ли оно звук?