Nature knows no pause in progress and development, and attaches her curse on all inaction.

Nature knows no pause in progress and development, and attaches her curse on all inaction

He who moves not forward goes backward! A capital saying!

Progress has not followed a straight ascending line, but a spiral with rhythms of progress and retrogression, of evolution and dissolution.

Doubt can only be removed by action.

It is in human nature to relax, when not compelled by personal advantage or disadvantage.