If there is reality in essences or possibles, or indeed, in eternal truths, this reality must be grounded in something existent and actual, and conse… - Gottfried Wilhelm Leibniz

The means of obtaining as much variety as possible, but with the greatest possible order...is the means of obtaining as much perfection as possible.

Nature does not make leaps.

To the possible objection that thus the world would of necessity have long ago turned into a paradise, it is easy to reply: Many substances already may have attained great perfection; yet, the continuum being infinitely divisible, there will always remain in the unfathomable depth of the universe some somnolent elements which are still to be awakened, developed, and improved - in a word, promoted to higher culture. This is why the end of progress can never be attained.