One Should Never Despair Too Soon.

Diplomacy Without Military Might Is Like Music Without Instruments.

An Educated People Can Be Easily Governed.

Theologians Are All Alike, Of Whatever Religion Or Country They May Be; Their Aim Is Always To Wield Despotic Authority Over Men's Consciences; They Therefore Persecute All Of Us Who Have The Temerity To Tell The Truth.

If I Wished To Punish A Province, I Would Have It Governed By Philosophers.

I Have No Fault To Find With Those Who Teach Geometry. That Science Is The Only One Which Has Not Produced Sects; It Is Founded On Analysis And On Synthesis And On The Calculus; It Does Not Occupy Itself With The Probable Truth; Moreover It Has The Same Method In Every Country.