In the long run, truth is aided by nothing so much as by opposition.

Difficulties are meant to rouse, not discourage. The human spirit is to grow strong by conflict.

It is not the quantity but the quality of knowledge which determines the mind's dignity.

The hills are reared, the seas are scooped in vain If learning's altar vanish from the plain.

The world is to be carried forward by truth, which at first offends, which wins its way by degrees, which the many hate and would rejoice to crush.

Undoubtedly a man is to labor to better his condition, but first to better himself.

We never know a greater character unless there is in ourselves something congenial to it.