Clothes make the man (person).

Make haste, not waste.

Nice guys finish last.

It's a dog eat dog world.

Know your enemy.

Give them what they want.

It's not what you know, it's who you know.

It's all in the presentation.

Sex sells.

Sink or Swim.

Experience is the best teacher.

Opportunity only knocks once.

Money talks, bullshit walks.

Put your money where your mouth is.

The customer is always right.

Honest is the best policy.

Everybody has their price.

There's a sucker born every minute.

Look out for number one.