An old man with a white beard and a brown jacket

(best quality,4k,8k,highres,masterpiece:1.2),ultra-detailed,realistic,portrait,old man sitting and thinking,outdoor setting,natural lighting,contemplation,wrinkled face,long white beard,gray hair,aged and wise,deep in thought,facial expression,serene and pensive,mature,rich life experience,wisdom,meditation,peaceful environment,introspection,solitude,leisure time,serenity,tranquility,vivid colors,subtle shadows,soft focus,subdued tones,silhouette of trees in the background