Listen very carefully to what I say.
Listen to me carefully.
Listen to me carefully.
Listen to me carefully.
Mark my words.=Mark what I'm telling you.
Please note my words.
Listen carefully to what I'm going to tell you.
Listen carefully to what I am going to tell you.
Please listen carefully to what I have to say.
Please listen carefully to what I say.
Listen to me very carefully.
Listen to me carefully.
Please listen to what I said well.
Listen to me carefully.
Please pay attention to what I'm saying.
Listen to me carefully.
Note what I say.
Won't you hear my thoughts?
Please listen to what I have to say.