Mere goodness can achieve little against the power of nature.

We do not need to be shoemakers to know if our shoes fit, and just as little have we any need to be professionals to acquire knowledge of matters of universal interest.

To him who looks upon the world rationally, the world in its turn presents a rational aspect. The relation is mutual.

The learner always begins by finding fault, but the scholar sees the positive merit in everything.

All that is real is reasonable, and all that is reasonable is real.

Once the state has been founded, there can no longer be any heroes. They come on the scene only in uncivilized conditions.