worry

 https://www.google.com/search?q=future+worry

speculate

 https://www.google.com/search?q=speculate

https://www.google.com/search?q=alchemy

Crystal

 https://www.google.com/search?q=crystalinks

https://www.google.com/search?q=Crystal+ball

mind

 https://www.google.com/search?q=prophetic+state+of+mind

reserve

 https://www.google.com/search?q=reserve

uncertain

 https://www.google.com/search?q=uncertain

https://www.youtube.com/results?search_query=certain+future