Question: It must be said at this point that it is only the principles that are repeated each fresh cycle being a new variation of the experience of darkness and light
Please fix the punctuation.
Fixed: [It must be said at this point that it is only the principles that are repeated, each fresh cycle being a new variation of the experience of darkness and light.]

Question: To get the prices and timetables please contact LD Lines
Please fix the punctuation.
Fixed: [To get the prices and timetables please contact LD Lines.]

Question: In 1852 all that could be established with the accuracy of scientific observation was that the proletarian revolution had approached the task of concentrating all its forces of destruction against the state power of smashing the state machine
Please fix the punctuation.
Fixed: [In 1852, all that could be established with the accuracy of scientific observation was that the proletarian revolution had approached the task of "concentrating all its forces of destruction" against the state power, of "smashing" the state machine.]

Question: Enjoy your time on Badoo Chat to people make friends and arrange to meet up in real life
Please fix the punctuation.
Fixed:
[Enjoy your time on Badoo. Chat to people, make friends and arrange to meet up in real life.]