"rigorous thought" is correct and usable in written English.
It is usually used to describe exploring and considering a concept in depth and from different angles. For example, "The professor asked the students to engage in rigorous thought about the implications of their proposed solution."
The question, of course, is unanswerable, but the poem engages us in rigorous thought.
It taught me not to be afraid of rigorous thought, for one thing".
She developed in her writing the appearance of the unadorned simplicity of a mind in rigorous thought.
Armed with an impenetrable new vocabulary, and without having to master any rigorous thought, they could masquerade as social, political and philosophical critics.
It's not surprising, given the severe and rigorous thought that "Frownland" manifests in its controlled and empathetic aggression, that its director is stunningly articulate about his work and the cinema as such.
Should higher education just ignore the questions posed by Socrates and others over the last 2,500 years and replace that rigorous thought process with a course in "feel good" psychology?
On the flip side, a bad mood tends to stimulate more rigorous analytical thought.
"Unfortunately, these issues are now defined in the public arena by partisanship and ideology rather than rigorous empirical thought and forthright analysis and discussion," he said.
On the other hand, many writers, while often profound and fastidiously rigorous in their thought, such as Paul Valéry, have vehemently objected to being called philosophers.
Reviewer #1: The manuscript from Johnston et al. is an extremely thorough and well-thought out attempt to inject rigorous, quantitative thinking into the mechanism of the mtDNA bottleneck.
Is there any room within Madhyamaka for clear thinking and carefully wrought argumentation, or are all attempts to arrive at clear thought and rigorous argumentation ultimately delusional and therefore to be abandoned along with more obvious forms of delusion?
