You are exposed, known, your greatest weapon, that of surprise, gone.

It was the greatest weapon that primitive man had ever known and the most difficult to invent.

Bush's lack of apparent pretense is his greatest political weapon.

"But our greatest secret weapon of all, you never discovered."

This is by far our greatest weapon in the fight against terrorists.

But the greatest weapon you possess is the courage in your heart.

Our greatest weapon is the embargo that will cut off Iraq's revenue.

An understanding of people is the greatest weapon you can possess.

If we can give people jobs this will prove to be the greatest weapon in the fight against social exclusion.

However, this very single market is one of Europe's greatest weapons for combating the current crisis.