The most dangerous thing is illusion.
Ralph Waldo Emerson (1803-1882) U.S. poet, essayist and lecturer.
I destroy my enemy when I make him my friend.
Abraham Lincoln (1809-1865) Politician. President of the United States.
Those who'll play with cats must expect to be scratched.
Miguel de Cervantes (1547-1616) Spanish novelist, dramatist and poet.
Many have had their greatness made for them by their enemies.
Baltasar Gracian (1601-1658) Spanish Philosopher, and Writer.
No one that encounters prosperity does not also encounter danger.
Heraclitus (c. 535 BCE-c. 475 BCE) Greek philosopher.
In this world there is always danger for those who are afraid of it.
George Bernard Shaw (1856-1950) Irish writer.
One is not exposed to danger who, even when in safety is always on their guard.
Publilius Syrus (1st Centry BC-?) Roman writer and poet.
Actually, the streets are quite safe today, it's the people on them who aren't.
Beware lest you lose the substance by grasping at the shadow.
Aesop (620 BC-560 BC) Greek fabulist.
The most dangerous people are the ignorant.
Henry Ward Beecher (1813-1887) American politician.