Anyone who has never made a mistake has never tried anything new.
Mistake
Failure
I have tried 99 times and have failed, but on the 100th time came success.
God playing dice
At any rate, I am convinced that God does not play dice.
Subtle
God is subtle, but he is not malicious.
Formula to Success
If A is a success in life, then A equals x plus y plus z. Work is x, y is play, and z is keeping your mouth shut.