According to him “Nothing is permanent in this world except change.”

• Democritus

• Pythagoras
• Heraclitus

• Empedocles

He was among the first to propose that matter is composed of tiny particles called atoms.

• Democritus
• Pythagoras
• Heraclitus
• Anaximander

He claimed that the origin of all things is the apeiron or the boundless

• Anaximander
• Democritus
• Heraclitus
• Empedocles

He said that Love is the force that combines the elements together.

• Pythagoras
• Empedocles

• Heraclitus
• Anaximander

He coined the term philosophy

• Democritus
• Heraclitus
• Empedocles
• Pythagoras

He claimed that nothing essential changes

• Pythagoras
• Democritus
• Parmenides

• Empedocles

He claimed that air is the arche of all things.

• Pythagoras
• Anaximenes

• Heraclitus
• Empedocles

He believed that change and motions are only delusions

• Parmenides
• Pythagoras
• Democritus
• Heraclitus

He assumed that there must be something of everything in everything

• Pythagoras
• Anaxagoras

• Heraclitus
• Empedocles

He assumed that water is the material cause of all things

• Thales
• Pythagoras
• Democritus
• Heraclitus