"Lofty goal" refers to a goal or ambition that is very high or challenging to achieve. It implies aiming for something impressive or significant. Full definition
But to achieve lofty goals of massive wealth and true financial freedom without waiting decades to «get there,» you must build a business. (biggerpockets.com)
Snap is aiming to go public this year, and it has set lofty goals for its revenue and user growth to keep public investors excited. (applicoinc.com)
There is no need to set lofty goals with exercise 30 - 45 min. (drkeithkantor.com)