Let me go through the text again to make sure no word is missed and that the synonyms fit contextually. Some phrases might need more context-sensitive substitutions, but since spintax is about variety, the user wants three options per word. I'll make sure the structure is correct and that the synonyms are appropriate.
"Value in every stage of life" → Importance in all phases of existence. Una Vida Infinita Joaquin Camara pdf
"Shape by cultural, philosophical, and personal experiences" → Formed through communal, ideological, and personal interactions. Let me go through the text again to
"World" → Earth, "mortality" → Fate, "meaning" → Significance, "perpetual" → Endless, "emerged" → Risen, "thought-provoking" → Intellect-challenging, "exploration" → Investigation, "human experience" → Mortal venture. but since spintax is about variety