Home » Quote » Isaac Newton » „No great discovery was ever made without a bold guess.“ „No great discovery was ever made without a bold guess.“ — Isaac Newton Related quotes „Nothing great was ever achieved without enthusiasm.“ — Ralph Waldo Emerson „If I have ever made any valuable discoveries, it has been due more to patient attention, than to any other talent“ — Isaac Newton „Development of Western Science is based on two great achievements, the invention of the formal logical system (in Euclidean geometry) by the Greek philosophers, and the discovery of the possibility to find out causal relationships by systematic experiment (Renaissance). In my opinion one has not to be astonished that the Chinese sages have not made these steps. The astonishing thing is that these discoveries were made at all.“ — Albert Einstein „No great mind has ever existed without a touch of madness.“ — Aristotle „I never made one of my discoveries through the process of rational thinking“ — Albert Einstein