This is the 1590th most frequent Turkish word.
olmaktan
"Olmaktan" means "from being" or "of being" in English.
In this sentence, 'olmaktan' means 'being' and functions as a gerund-form verb linked to 'mutlu' (happy), describing a state or condition.
Mutlu olmaktan vazgeçmem.
I never give up being happy.
In this context, 'olmaktan' forms the comparison 'daha değerlidir' (more valuable than), meaning 'being strong' ('güçlü olmak'), indicating comparison of states.
Hata yapmaktan ders almak, güçlü olmaktan daha değerlidir.
Learning from making mistakes is more valuable than being strong.
Here, 'olmaktan' conveys the meaning of 'being' in connection to 'başarılı' (successful), indicating an emotional response to a state or achievement.