Treat with utmost respect your power of forming opinions, for this power alone guards you against making assumptions that are contrary to nature and judgments that overthrow the rule of reason.

The happiness of your life depends upon the quality of your thoughts.

When you arise in the morning, think of what a precious privilege it is to be alive - to breathe, to think, to enjoy, to love.

Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.

It never ceases to amaze me: we all love ourselves more than other people, but care more about their opinions than our own.

You have power over your mind - not outside events. Realize this, and you will find strength.

The opinion of 10,000 men is of no value if none of them know anything about the subject.

If you are distressed by anything external, the pain is not due to the thing itself, but to your estimate of it; and this you have the power to revoke at any moment.

Whenever you are about to find fault with someone, ask yourself the following question: What fault of mine most nearly resembles the one I am about to criticize?

The object of life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane.

Very little is needed to make a happy life; it is all within yourself, in your way of thinking.

Saadi’s dictum, in the Bostan: ‘The Path is not in the rosary, the prayer-mat and the robe

In the silence of the mountain there is much you can learn.

I happen to think that computers are the most important thing to happen to musicians since the invention of cat-gut which was a long time ago.

Complete prohibition of all chemical mind changers can be decreed, but cannot be enforced, and tends to create more evils than it cures.

We can forgive you for killing our children, but we can never forgive you for making us kill your children.

The monstrous thing is not that men have created roses out of this dung heap, but that, for some reason or other, they should want roses.

Nothing but man of all envenomed things, doth work upon itself, with inborn stings.

Nothing seems to me more doubtful than Aristotle's remark that it is probable the arts and philosophy have several times been discovered and several times lost.

I never expected to win three medals in the Athens Olympic Games. Of course, I would rather have won one gold.

I first wanted to be a comedian when I was six or seven and my dad showed me Laurel and Hardy's "Perfect Day" on tv.