When A Law Is In Its Nature

When A Law Is In Its Nature A Contract, When Absolute Rights Have Vested Under That Contract, A Repeal Of The Law Cannot Divest Those Rights.

State Inspection Laws, Health Laws, And Laws For Regulating The Internal Commerce Of A State, And Those Which Respect Turnpike Roads, Ferries, &c. Are Not Within The Power Granted To Congress. ... Inspection Laws, Quarantine Laws, Health Laws Of Every Description, As Well As Laws For Regulating The Internal Commerce Of A State, And Those Which Respect Turnpike Roads, Ferries, &c., Are Component Parts Of This Mass. No Direct General Power Over These Objects Is Granted To Congress, And, Consequently, They Remain Subject To State Legislation.

Courts Are The Mere Instruments Of The Law, And Can Will Nothing. When They Are Said To Exercise A Discretion, It Is A Mere Legal Discretion, A Discretion To Be Exercised In Discerning The Course Prescribed By Law; And, When That Is Discerned, It Is The Duty Of The Court To Follow It. Judicial Power Is Never Exericised For The Purpose Of Giving Effect To The Will Of The Judge; Always For The Purpose Of Giving Effect To The Will Of The Legislature; Or, In Other Words, To The Will Of The Law.

The Power To Tax Is The Power To Destroy.

The Law Does Not Expect A Man To Be Prepared To Defend Every Act Of His Life Which May Be Suddenly And Without Notice Alleged Against Him.