Add spaces: Iftheaveragestudentcouldn'tcopewiththemathematicsthatPeircewaspresentingthemwith,thenhedecideditwasbetterhesawonlythemoretalentedanddedicatedstudentscontinuewithmathematicsbeyondtheirfirstyear.

Answer: If the average student couldn't cope with the mathematics that Peirce was presenting them with, then he decided it was better he saw only the more talented and dedicated students continue with mathematics beyond their first year.

Add spaces: 2Andthoushaltswear,TheLORDliveth,intruth,injudgment,andinrighteousness;andthenationsshallblessthemselvesinhim,andinhimshalltheyglory.

Answer: 2 And thou shalt swear, The LORD liveth, in truth, in judgment, and in righteousness; and the nations shall bless themselves in him, and in him shall they glory.

Add spaces: Thisprofessor,whohasdetailedhisfindingsinthebook"Stonehenge:TheBiographyofaLandscape,"suggeststhatthekeytounderstandingStonehengeliesinthePreseliMountainsinwesternWales.

Answer:
This professor, who has detailed his findings in the book "Stonehenge: The Biography of a Landscape," suggests that the key to understanding Stonehenge lies in the Preseli Mountains in western Wales.