London: Hollywood superstar George Clooney says his biggest fear in life is hurting someone and he lies to avoid hurting people's feelings.

The 50-year-old, who is currently dating former wrestler Stacy Keibler, said he can't stand the idea of making another person feel miserable, as reported.

When asked what his biggest fear in life is, Clooney said, "Hurting someone."

The actor also said he has lied to people on occasions when he thought telling the truth could cause them harm.

"When telling the truth causes harm it is better to lie," Clooney said.