'When intellectual formulations are treated simply by relegating them to the past and permitting the simple passage of time to substitute for development, the suspicion is justified that such formulations have not really been mastered, but rather they are being suppressed.'

'Without hope, the idea of truth would be scarcely even thinkable, and it is the cardinal untruth, having recognized existence to be bad, to present it as trut…

'Work while you work, play while you play - this is a basic rule of repressive self-discipline.'

'When all actions are mathematically calculated, they also take on a stupid quality.'

As formas superiores do pensamento tem uma tendencia fatal a tornar-se na futura lei revelada: e toda a filosofia termina, nos seus velhos dias, por ser religi…

One cannot conceive anything so strange and so implausible that it has not already been said by one philosopher or another.

Ideas shape the course of history.