Please Say/Whisper The Words Out Loud
Lesson 1 - Speaking ABOUT people
The Chofetz Chaim says that the most powerful segulah for parnassah (income) in abundance is guarding our speech.
Lesson 2 - Speaking TO people
A positive approach when trying to get a point across to someone - try the sandwich technique "You know, I am aware that you are such a special person. However, can I tell you something that is bothering me? Then you lay it out. And then you close the sandwich by saying: "but I am sure you didn’t do it on purpose".
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These lessons are taken from:
Guard your Tongue: Adapted from Choeftz Chaim by Zelig Pliskin
The Power of Words by Zelig Pliskin
Purity of Speech: A short lesson on the halachot of shmirat Halashon