Dale Carnegie

"My popularity, my happiness and sense of worth depend to no small extent upon my skill in dealing with people."

articulation gives the wrong sound to the vowel or vowels of a word or a syllable

Wrong enunciation is the incomplete utterance of a syllable or a word, the sound omitted or added being usually consonantal.

The one articulates—that is, joints—two sounds that should not be joined, and thus gives the word a positively wrong sound; the other fails to touch all the sounds in the word, and in that particular way also sounds the word incorrectly

Imperfect enunciation is due to lack of attention and to lazy lips.

flexibility cannot be attained except by habitually uttering words with distinctness and accuracy

The joints must be kept decently dressed.

go over your manuscript and note every sound that may possibly be mispronounced.

Gesture is really a simple matter that requires observation and common sense rather than a book of rules.

is an outward expression of an inward condition. It is merely an effect—the effect of a mental or an emotional impulse struggling for expression through physical avenues.