You have to be careful not to let your fear stop you doing things. It's very exciting to test yourself.

So we have to be careful because if you don't protect your culture you won't have it for very long.

You have to be careful to react when you start to deviate from your course.

You can love more than one person in your life, but things will be different. There'll be a different dynamic. Needs and desires change.

You have to be careful as a libertarian because you can sound very Republican.

Be careful what you set your heart upon - for it will surely be yours.