Never go to excess, but let moderation be your guide.
Marcus Tullius Cicero
Everything in excess is opposed to nature.
Hippocrates
Where some people are very wealthy and others have nothing, the result will be either extreme democracy or absolute oligarchy, or despotism will come from either of those excesses.
Aristotle
A moderate addiction to money may not always be hurtful; but when taken in excess it is nearly always bad for the health.
Clarence Day
All pain is per se and especially in excess, destructive and ultimately fatal in its nature and effects.
James Young Simpson
Courage stands halfway between cowardice and rashness, one of which is a lack, the other an excess of courage.
Plutarch
Crime is a product of social excess.
Vladimir Lenin
Every form of government tends to perish by excess of its basic principle.
Will Durant
Every reform, however necessary, will by weak minds be carried to an excess, that itself will need reforming.
Samuel Taylor Coleridge
Evil has no substance of its own, but is only the defect, excess, perversion, or corruption of that which has substance.
John Henry Newman
Excess of grief for the dead is madness; for it is an injury to the living, and the dead know it not.
Xenophon
Excess on occasion is exhilarating. It prevents moderation from acquiring the deadening effect of a habit.
W. Somerset Maugham
For there is no defense for a man who, in the excess of his wealth, has kicked the great altar of Justice out of sight.
Aeschylus
I am bound to add that the excess in too little has ever proved in me more dangerous than the excess in too much; the last may cause indigestion, but the first causes death.
Giacomo Casanova