__________________
ברוך אתה ה' אלהינו מלך העולם. אשר נתן לשכוי בינה להבחין בין יום ובין לילה.
Blessed are you, Hashem, our G-d and king of the world, who gave the rooster (or mind) insight to distinguish between day and night.
__________________
It is explained that this bracha is about the ability to distinguish between good and evil.__________________
It is related to this week parasha Reeh where HaShem asks us to choose between good and evil. From the above paragraph we know that HaShem gave us the ability. As it is know HaShem does't ask of us more than we can give