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The only valid data for psychology are observable behaviors.
You find out who your real friends are when you're involved in a scandal.
Only by continuous learning can we make continuous progress.
The most dangerous man to any government is the man who is able to think things out for himself.
It's not just the ad, but the product that must be interesting.
Life is very short, and there's no time for fussing and fighting, my friend.
Globalization isn't a multiple-choice question, it's a survival test.