The molecule as the driving vehicle of this series, its practical invisibility and lightness, its power and beauty.
The author questions the condition of man as a free individual, aware of the extreme complexity of the most elementary organism that fulfils genetically predetermined functions. The will subjugated to its own condition.
Unity of life, molecule and its interactions. The author finds the common thread more in the capacity to establish a predetermined path in his genes than in a will that is autonomous to his condition.