A bare assertion is not necessarily the naked truth.
A few observation and much reasoning lead to error; many observations and a little reasoning to truth.
A hair divides what is false and true.
A half truth is a whole lie.
A man may be in as just possession of truth as of a city, and yet be forced to surrender.
A man that seeks truth and loves it must be reckoned precious to any human society.
A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.
A new untruth is better than an old truth.
A platitude is simply a truth repeated till people get tired of hearing it.
A thing is not necessarily true because a man dies for it.
A thing is not necessarily true because badly uttered, nor false because spoken magnificently.
A truth looks freshest in the fashions of the day.
A truth spoken before its time is dangerous.
A truth that's told with bad intent beats all the lies you can invent.
All fixed set patterns are incapable of adaptability or pliability. The truth is outside of all fixed patterns.
All great truths are simple in final analysis, and easily understood; if they are not, they are not great truths.
All great truths begin as blasphemies.
All necessary truth is its own evidence.
All these constructions and the laws connecting them can be arrived at by the principle of looking for the mathematically simplest concepts and the link between them.
Always tell the truth — it's the easiest thing to remember.