What language techniques are used in these quotes?

1. "You never really understand a person until you consider things from his point of view — until you climb into his skin and walk around in it.”
2. “You just hold your head high and keep those fists down. No matter what anyone says to you, don’t let ‘em get your goat. Try fighting with your head for a change…it’s a good one, even if it does resist learning.”
3. "The one thing that doesn't abide by majority rule is a person’s conscience"
4. “A court is only as sound as its jury, and a jury is only as sound as the men who make it up”