'Forget not in your speed, AntonioTo touch Calpurnia, for our elders sayThe barren, touched in the holy chase,Shake off their sterile curse.'
'Beware the ides of March'
'He is a dreamer, let us leave him. Pass
gods are angry sending natural disasters, animals acting weird and strange
This scene takes place at the feast of Lupercal, here Caesar instructs his close friend Antonio to touch Calpurnia with his leather thing during the ceremonial games to celebrate the feast if Lupercal. Being superstitious Caesar believes that this can cure Calpurnia of her barren curse, as said by their wise elders and ancestors.
man on fire , something threatening
A soothsayer, or a fortune teller, is warning Caesar with omens to 'beware the ides of March'. As in be careful and cautious of the fifteenth of March, as something momentous, probably against his betterment will take placeCaesar decides to ignore the soothsayer and continue with the celebrations as he wants nothing to be in his path(he lacks judgment).