योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-167, verse-3

एता उद्यन्ति चिन्मात्रादात्मख्यात्यादिका दृशः ।
तच्च शुद्धतरं व्योम तन्मय्येव च दृश्यते ॥ ३ ॥

etā udyanti cinmātrādātmakhyātyādikā dṛśaḥ ,
tacca śuddhataraṃ vyoma tanmayyeva ca dṛśyate 3

3. All these visibles rise from the Intellect only, and bear no names of their own; they are of the nature of pure vacuum, and appear unto us in their simple vacuous forms.