I think mindset is more important than phycal strength. = I think mindset is more important than physical strength.
Some people with disabilities are enjoying adventures as well. = Some people with disabilities enjoy adventures as well. They go hiking, climb mountains, skydiving. = They go hiking, climb mountains, and even skydive.
They may need some help from others, but their courage and willpower are stronger than their disabilities.
Physical strenthe can makes adventure easier, but It's not necessary always. = Physical strength can make an adventure easier, but it's not always necessary.
And physical weaknesses make adventure more challenging, but without adventurous mindset, the adventure can't even begin. = Physical weakness may make an adventure more challenging, but without an adventurous mindset, the adventure can't even begin.

Teacher’s Comment:
Excellent insights, Sean! You expressed your thoughts well and gave strong examples. Just watch out for spelling errors like "phycal" (physical) and "strenthe" (strength). You're doing great!