“Beginning with Santa in infancy, and ending with the Tooth Fairy as the child acquires adult teeth. Or, plainly put, beginning with all the possibility of childhood, and ending with an absolute trust in the national currency.”

Source: Wintergirls

Attributed to Torvalds in LinuxWorld interview.
Responding to the Alexis de Tocqueville Institution's claim that Linus Torvalds is not the real father of Linux.
Attributed

Interview with Don Swaim (1986)
Interview with Don Swaim (1986)

speech at Lord Mayor’s Luncheon, Mansion House, London, November 10, 1942 : ( partial text http://www.churchill-society-london.org.uk/EndoBegn.html)
Referring to the British victory over the German Afrika Korps at the Second Battle of El Alamein in Egypt.
The Second World War (1939–1945)
Variant: This is not the end, this is not even the beginning of the end, this is just perhaps the end of the beginning.
Source: Their Finest Hour

Ma fin est mon commencement
Et mon commencement ma fin.
"Ma fin est mon commencement", line 1; translation from Donald N. Ferguson A History of Musical Thought (New York: Appleton-Century-Crofts, [1935] 1948) p. 94.

Muller is often attributed with a version of this saying, and the quote (with attribution to Muller) appears as early as 1897 in The Churchman https://books.google.com/books?id=cpdOAQAAMAAJ&pg=RA25-PA45&lpg=RA25-PA45&dq=The+beginning+of+anxiety+is+the+end+of+faith,+and+the+beginning+of+true+faith+is+the+end+of+anxiety+%2B+the+churchman&source=bl&ots=3x_wtX82mF&sig=gGHZUKxXWa5BfvRfzeY_F8zA9dM&hl=; however, no source written by Muller can be found to confirm him as having said this.

Section 1
The Einstein Intersection (1967)