Thales of Miletus. 624 BC - 547 BC. Greek philosopher and pioneer of Geometry.
Nothing is more active than thought, for it travels over the universe, and nothing is stronger than necessity for all must submit to it.
The skilful man is superior to the strong man.
Don't come to a conclusion before listening to both sides.
A small spark is enough to burn down a whole forest.
Hope is the only good that is common to all men; those who have nothing else possess hope still.
What is God? That what has nor a beginning nor an end!
What is the most difficult thing on earth? To know yourself!
What is the most easy thing on earth? To give advice to other people!
A circle is bisected by any diameter.
The base angles of an isosceles triangle are equal.
The angles between two intersecting straight lines are equal.
Two triangles are congruent if they have two angles and one side equal.
An angle in a semicircle is a right angle.