"Israel is calm and self-assured. Israeli citizens know very well that we are prepared for any possible scenario," Netanyahu told his cabinet.
"Israeli citizens must also know that our enemies have very good reasons not to test our strength - they know why," he said at the start of the weekly meeting today.
US President Barack Obama has promised to punish the Syrian President Bashar al-Assad's regime over its alleged use of chemical weapons, but in a surprise move today he announced that he would first seek congressional approval, effectively pushing any military action back until at least September 9, when US lawmakers return from their summer recess.
Army Radio, a major Israeli broadcaster, quoted an unnamed government official in far less elliptical terms.
More From This Section
"If Obama is hesitating on the matter of Syria, then clearly on the question of attacking Iran - a move that is expected to be far more complicated - Obama will hesitate much more, and thus the chances Israel will have to act alone have increased."
Israel has said it does not want to intervene in Syria and the war in its neighbouring country is their internal matter but made large scale preparations.
The Jewish state has maintained a studied silence over Obama's decision to refer the Syrian situation to the Congress.