The following are signs and symptoms of bladder cancer: 1  Blood in the urine: This is the most common symptom of bladder cancer and occurs in the vast majority of people with bladder cancer. 2  Though it may have causes other than cancer, blood in the urine is never normal and should always be evaluated by a doctor.
notable works. Plato, (born 428/427 bce, Athens, Greeceâdied 348/347, Athens), ancient Greek philosopher, student of Socrates (c. 470â399 bce), teacher of Aristotle (384â322 bce), and founder of the Academy, best known as the author of philosophical works of unparalleled influence.
Plato is considered by many to be the most important philosopher who ever lived. He is known as the father of idealism in philosophy. His ideas were elitist, with the philosopher king the ideal ruler. Plato is perhaps best known to college students for his parable of a cave, which appears in Plato's Republic.