People often fail to apply their skills to themselves.

Poverty for some is inevitable.

Alternative form of the grass is always greener on the other side

It is not the tools we use that make us good, but rather how we employ them. / Upon failure, it is easier to blame the tools used rather than how they were employed.

Alternative form of the darkest hour is just before the dawn

The state, quality, or condition of being or lasting indefinitely or always; continuity; indefiniteness; eternity.