Why is it that an extended olive branch often turns to a clinched fist of hatred?

Why is it that an extended olive branch often turns to a clinched fist of hatred?

We must all hang together or assuredly we shall all hang
separately.

We must all hang together or assuredly we shall all hang
separately.

Whatever may be the issue we shall share one common danger, one
safety.
[Lat., Quo res cunque cadant, read more

Whatever may be the issue we shall share one common danger, one
safety.
[Lat., Quo res cunque cadant, unum et commune periculum,
Una salus ambobus erit.]

Even though this is late in an election year, there is no way we can go forward except together and read more

Even though this is late in an election year, there is no way we can go forward except together and no way anybody can win except by serving the people's urgent needs. We cannot stand still or slip backwards. We must go forward now together.

If we divine a discrepancy between a man's words and his character, the whole impression of him becomes broken and read more

If we divine a discrepancy between a man's words and his character, the whole impression of him becomes broken and painful; he revolts the imagination by his lack of unity, and even the good in him is hardly accepted.

He that is not with me is against me: and he that gathereth not
with me scattereth.

He that is not with me is against me: and he that gathereth not
with me scattereth.

Hate grows and victors where love is afraid to share its bloom

Hate grows and victors where love is afraid to share its bloom

There is no more sure tie between friends than when they are
united in their objects and wishes.
read more

There is no more sure tie between friends than when they are
united in their objects and wishes.
[Lat., Neque est ullum certius amicitiae vinculum, quam consensus
et societas consiliorum et voluntatum.,]

United we stand, divided we fall.

United we stand, divided we fall.