Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

I'm afraid of being lazy and complacent. I'm afraid of taking myself too seriously.

Life is too important to be taken seriously.

Not a shred of evidence exists in favor of the idea that life is serious.

Seriousness is stupidity sent to college.

Take your work seriously, but never yourself.

The one serious conviction that a man should have is that nothing is to be taken too seriously.

We are growing serious, and let me tell you, that's the next step to being dull.