At all times it has not been the age, but individuals alone, who have worked for knowledge. It was the age which put Socrates to death by poison, the age which burnt Huss. The ages have always remained alike.

In nature we never see anything isolated, but everything in connection with something else which is before it, beside it, under it and over it.

The eternal female draws us onward.

One can't dull a project better than by discussing it repeatedly.

Every step of life shows much caution is required.

He who is firm and resolute in will molds the world to himself.

Reason can never be popular. Passions and feelings may become popular, but reason will always remain the sole property of a few eminent individuals.