Notes 1) :-

- Numbers play an important role in both, construction & destruction.
- To not know math is a severe limitation to understanding the world.
- Mathematics is a systematic effort of solving puzzles.
- The essence of mathematics lies in its freedom.
- Numbers constitute the only universal language.

Notes 2) :-

- Mathematics is a creative art.
- Mathematics is the music of reason.
- The best way to learn maths is to do it.
- Pure mathematics is, in its way, the poetry of logical ideas.
- Mathematics is the science which draws necessary conclusions.