On the mountains of truth you can never climb in vain: either you will reach a point higher up today, or you will be training your powers so that you will be able to climb higher tomorrow.
There are ages in which the rational man and the intuitive man stand side by side, the one in fear of intuition, the other with scorn for abstraction. The latter is just as irrational as the former is inartistic.
Where there is happiness, there is found pleasure in nonsense. The transformation of experience into its opposite, of the suitable into the unsuitable, the obligatory into the optional (but in such a manner that this process produces no injury and is only imagined in jest), is a pleasure.
I love him who laboureth and inventeth, that he may build the house for the Superman, and prepare for him earth, animal, and plant: for thus seeketh he his own down-going.