The greatest legacy one can pass on to one's children and grandchildren is not money or other material things accumulated in one's life, but rather a legacy of character and faith.
I think the American Dream used to be achieving one's goals in your field of choice - and from that, all other things would follow. Now, I think the dream has morphed into the pursuit of money: Accumulate enough of it, and the rest will follow.
Travel becomes a strategy for accumulating photographs.
We don't need bigger cars or fancier clothes. We need self-respect, identity, community, love, variety, beauty, challenge and a purpose in living that is greater than material accumulation.
Religion forbids us from assuming a God-like character. This is especially true in politics and government, where limiting the power of the state, division of powers, and the doctrine of checks and balances are established in order to prevent accumulation of power that might lead to such Godly claims.
Friends come and go but enemies accumulate.
Wealth can only be accumulated by the earnings of industry and the savings of frugality.
As the biggest library if it is in disorder is not as useful as a small but well-arranged one, so you may accumulate a vast amount of knowledge but it will be of far less value than a much smaller amount if you have not thought it over for yourself.
The reason we have poverty is that we have no imagination. There are a great many people accumulating what they think is vast wealth, but it's only money... they don't know how to enjoy it, because they have no imagination.
The great armies, accumulated to provide security and preserve the peace, carried the nations to war by their own weight.