The Only Secure Knowledge Is That I

But In My Opinion, All Things In Nature Occur Mathematically.

If You Would Be A Real Seeker After Truth, It Is Necessary That At Least Once In Your Life You Doubt, As Far As Possible, All Things.

Variant: When It Is Not In Our Power To Follow What Is True, We Ought To Follow What Is Most Probable.

Every Man Is Indeed Bound To Do What He Can To Promote The Good Of Others, And A Man Who Is Of No Use To Anyone Is Strictly Worthless.

It Is To The Body Alone That We Should Attribute Everything That Can Be Observed In Us To Oppose Our Reason.