There are many perceptions, but in order to change your direction and progress, change of view and opinion is sometimes required.

1. Perception

2. Perception
Optimist Half-full
½ Full

3. Perception
Optimist Half-full
Pessimist Half-empty½ Empty

4. Perception
Optimist Half-full
½ Air
½ Water
Pessimist Half-empty
Chemist Full

5. Perception
Optimist Half-full
Pessimist Half-empty
Mathematician V = πr2h
Chemist Full
h
r
V

6. Perception
Optimist Half-full
Pessimist Half-empty
Mathematician V = πr2h
Engineer The glass is too big
Chemist Full

7. Perception
Optimist Half-full
Pessimist Half-empty
Mathematician V = πr2h
Engineer The glass is too big
Philosopher Is there really a glass?
Chemist Full

8. Perception
Optimist Half-full
Pessimist Half-empty
Mathematician V = πr2h
Engineer The glass is too big
Philosopher Is there really a glass?
Chemist Full
Skeptic The formula of the
mathematician to
calculate the volume
isn’t entirely correct…

9. Perception
Whatever your perception, it is important
to be open to change your own view,
because without change there is no
progress…
J.Berkien