As we begin to add and subtract, we have launched ourselves on the boundless sea of mathematics.


Fossil Men and Their Modern Representatives, Chapter XI (p. 313), Hodder and Stoughton. 1880


As we begin to add and subtract, we have launched ourselves on the boundless sea of mathematics.

As we begin to add and subtract, we have launched ourselves on the boundless sea of mathematics.

As we begin to add and subtract, we have launched ourselves on the boundless sea of mathematics.

As we begin to add and subtract, we have launched ourselves on the boundless sea of mathematics.