This quote suggests that every part of a living organism, such as organs or limbs, experiences a lifecycle similar to the whole body. Just like an entire organism grows from infancy through maturity and eventually ages, each individual component within it goes through its own phases of growth, stability, peak performance, and decline.
The deeper meaning behind this quote lies in understanding that life's cyclical nature applies universally across all scales and dimensions—be they biological or even abstract concepts like societal structures or technological advancements. It implies a fundamental pattern where everything experiences stages of development, sustains itself at a certain level, operates optimally for some time, and ultimately faces decline and decay, much like the natural progression observed in an organism's lifespan. This universal principle underscores the inevitability of change and evolution, encouraging both individuals and societies to embrace these cycles as part of life's fabric.
Wilhelm Ostwald was a renowned German chemist who won the Nobel Prize in Chemistry in 1909 for his work on catalysis and the investigation of solutions. Beyond chemistry, he had diverse interests that extended into philosophy and science history, making him a polymath who contributed significantly to various fields during the late 19th and early 20th centuries.