QUESTION: Fix punctuation: They store dates as a count of seconds since New Years Day 1970
ANS: They store dates as a count of seconds since New Year's Day 1970.
QUES: The following General Terms and Conditions hereinafter GTC define the terms under which the previewdatinbachingerdatingbuddiesnet Service hereinafter the Service operated by Tyche Technologies AG a Swiss company Reg Nr CHE420114703 under the brand name Dating Factory hereinafter us we or our or Dating Factory or Dating Factory Network shall be used

correct the punctuation.

CORRECTED: The following General Terms and Conditions (hereinafter "GTC") define the terms under which the preview.datinbachinger.datingbuddies.net Service (hereinafter "the Service") operated by Tyche Technologies AG a Swiss company, Reg Nr. CHE-420.114.703, under the brand name Dating Factory (hereinafter "us" "we" or "our" or "Dating Factory" or "Dating Factory Network") shall be used.
Question: If he opens his mind to the Godhead in confidence he will find the best rest he will feel at one with the Father
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Answer: If he opens his mind to the Godhead in confidence he will find the best rest; he will feel at one with the Father.
Of course you could also read the separator and sheet name from the worksheet or an input box

Can you repeat this sentence, but add in punctuation?
'Of course you could also read the separator 'and sheet name from the worksheet or an input 'box.
input: Your reservation will be cancelled if you fail to provide a valid credit card within 24 hours Please also note that the credit card holder must be present upon arrival with the credit card used for booking
fixed: Your reservation will be cancelled if you fail to provide a valid credit card within 24 hours. Please also note that the credit card holder must be present upon arrival with the credit card used for booking.
Computer simulations have become a useful part of mathematical modeling of many natural systems in physics chemistry economics and engineering

Can you repeat this sentence, but add in punctuation?
Computer simulations have become a useful part of mathematical modeling of many natural systems in physics, chemistry, economics and engineering.