In Buddhist philosophy, anything that is perceived by the mind did not exist before the mind perceived it; it depends on the mind. It doesn’t exist independently, therefore it doesn’t truly exist. That is not to say that it doesn’t exist “somewhat”. Buddhists called the perceived world relative truth – a truth that is measured and labeled by our ordinary minds. In order to qualify as ultimate truth, it must not be fabricated, it must not be a product of the imagination, and it must be independent of interpretation.

Dzongsar Khyentse Rinpoche
from the book Not for Happiness: A Guide to the So-Called Preliminary Practices
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Further quotes from the book Not for Happiness:
- Very little time left for practice
- Dealing with Emotions
- Remain alone and practise the dharma
- Opposite direction to dharma
- Sources of our inspiration
- Practise whichever method works for you
- Intention to benefit all sentient beings
- Sadness
- The decision to follow a spiritual path
- Absolutely nothing genuinely works
- The merit of maintaining mindfulness
- Right intention
- As they truly are
- Merely the product of your own perception
- To reject your aggression is a weakness
- Dharma is not a therapy
- Spiritual practice is like riding a bicycle
- Maintaining a strong grip on the habits
- Everything we experience is a product of mind
- It’s all a matter of motivation