Some persons have contended ...

Some persons have contended that mathematics ought to be taught by making the illustrations obvious to the senses. Nothing can be more absurd or injurious: it ought to be our never-ceasing effort to make people think, not feel.
Some persons have contended that mathematics ought to be taught by making the illustrations obvious to the senses. Nothing can be more absurd or injurious: it ought to be our never-ceasing effort to make people think, not feel.

Quotes from the same author

Imagination is the living power and prime agent of all human perception.
Love is flower like; Friendship is like a sheltering tree.
If a man is not rising upward to be an angel, depend on it, he is sinking downward to be a devil.
A mother is a mother still, The holiest thing alive.
For mother's sake the child was dear, and dearer was the mother for the child.