Verse 36

एवं कालक्रियाकर्मद्रव्ययुक्तिस्वभावजाः ।यथेच्छमेव सिद्ध्यन्ति सिद्धयः स्वाः क्रमार्जिताः

In plain words

Thus one's own siddhis, born of the nature of time, of action, of karma, of substance, and of means, and gained in due course, come to fulfilment just as one wishes.