لا يتحقق شيءٌ دفعةً واحدة، ومن مبادئي العظيمة، وأكثرها ثبوتاً، أن الطبيعةَ لا تقفز: وهو مبدأٌ أسميته قانون الاتصال.

“Nothing is accomplished all at once, and it is one of my great maxims, and one of the most completely verified, that Nature makes no leaps: a maxim which I have called the law of continuity.”Gottfried Leibniz — New Essays Concerning Human Understanding with an Appealing...: Transtated from the Original Latin, French and German Writeen (1916)