Man has always learned from the past. After all, you can't learn history in reverse!

How many theorems in geometry which have seemed at first impracticable are in time successfully worked out!

The centre of gravity of any parallelogram lies on the straight line joining the middle points of opposite sides.

Mathematics reveals its secrets only to those who approach it with pure love, for its own beauty.

Two magnitudes whether commensurable or incommensurable, balance at distances reciprocally proportional to the magnitudes.

Rise above oneself and grasp the world.

There are things which seem incredible to most men who have not studied Mathematics.