I don't know what is truth,but I can tell you how to find it!
J J Rousseau
The only difference between a genius and one of common capacity is that the former anticipates and explores what the latter accidentally hits upon; but even the man of genius himself more frequently employs the advantages that chance presents him; it is the lapidary who gives value to the diamond which the peasant has dug up without knowing its value.
Abbe Guillaume Raynal
Skepticism. The first step toward truth.
Denis Diderot
I praise loudly, I blame softly.
Catherine II of Russia
Science when well-digested is nothing but good sense and reason.
Stanilaus
There are people whose watch stops at a certain hour and who remain permanently at that age.
Charles Augustin Sainte-Beuve
What is tolerance? -- it is the consequence of humanity. We are all formed of frailty and error; let us pardon reciprocally each other's folly -- that is the first law of nature.