Whoso sheddeth man's blood, by man shall his blood be shed.

Mathematical proofs, like diamonds, are hard and clear, and will be touched with nothing but strict reasoning.

There is frequently more to be learned from the unexpected questions of a child than the discourses of men.

Who lies for you will lie against you.

It is of great use to the sailor to know the length of his line, though he cannot with it fathom all the depths of the ocean.

All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty or possessions.

The end of law is not to abolish or restrain, but to preserve and enlarge freedom. For in all the states of created beings capable of law, where there is no law, there is no freedom.