Persuasion refers to a skill in which a speaker uses words to influence the opinions and actions of others. The way in which a speaker does this is by changing his speech. The speaker alters the pace, volume, tone, imagery and content of his speech in order to be more convincing. The speaker can also make use of various rhetorical devices in order to achieve this.
If ur asking what this phrase means it means think before u act. for example think of what will happen to u after u jump off a bridge u will get hurt so don’t do it