The best state for human nature is that in which, while no one is poor, no one desires to be richer, nor has any reason to fear from thrust back, by the efforts of others to push themselves forward.

They who know how to employ opportunities will often find that they can create them; and what we can achieve depends less on the amount of time we possess than on the use we make of our time.

The duty of man is the same in respect to his own nature as in respect to the nature of all other things, namely not to follow it but to amend it.

The principle itself of dogmatic religion, dogmatic morality, dogmatic philosophy, is what requires to be booted out; not any particular manifestation of that principle.

No great improvements in the lot of mankind are possible until a great change takes place in the fundamental constitution of their modes of thought.

The maxim is, that whatever can be affirmed (or denied) of a class, may be affirmed (or denied) of everything included in the class. This axiom, supposed to be the basis of the syllogistic theory, is termed by logicians the dictum de omni et nullo.

There is always need of persons not only to discover new truths, and point out when what were once truths are true no longer, but also to commence new practices, and set the example of more enlightened conduct, and better taste and sense in human life.