At times we can do everything right and it will fail to produce positive results. At times we believe we have done everything wrong expecting a disaster when in fact it proves to be a masterpiece . What we must learn from this is our effort is a responsibility, the results are always in the hands above.
pg 42:
Tu B'Av Sameach
Nefesh Hachaim
Onkelos equates speech with nefesh, as with each word one must exhales a breath of air.
Gate Two, Chapter 14 pg 97